#include<iostream>
#include<vector>
#include<cmath>
#include<cstring>
#include<cstdio>
#include<cstdlib>
#define M 1000000007
#define sum(a,b) ((a)+(b))
#define gc getchar
typedef long long int ll;
using namespace std;
template<class T>
class SegmentTree{
ll *tree, *lazy;
int size;
//tree.resize(MAX);
//lazy.resize(MAX);
public:
SegmentTree(int N)
{
int x = (int)(ceil(log2(N)))+1;
size = 2*(int)pow(2,x);
tree = new ll[size];
lazy = new ll[size];
memset(tree,-1,sizeof(tree));
memset(lazy,0,sizeof(lazy));
}
void build_tree(int a, int b, int index, T *A) {
//cout << "node: " << index << endl;
if(a == b) {
tree[index] = A[a];
return;
}
int mid = (a+b)/2;
build_tree(a, mid, index*2+1, A);
build_tree(1+mid, b, index*2+2, A);
tree[index] = sum(tree[index*2+1], tree[index*2+2]);
// cout << "value["<<index<<"] = " << tree[index] << endl;
}
int query_sum(int node, int a, int b, int i, int j) {
//cout << "a = " << a << " b= " << b <<" i= " <<i << " j = " << j << endl;
if(a > b || a > j || b < i) return 0;
if(lazy[node] != 0) {
tree[node] += lazy[node];
tree[node] %= M;
if(a != b) {
lazy[node*2+1] += lazy[node];
lazy[node*2+2] += lazy[node];
}
lazy[node] = 0;
}
if(a >= i && b <= j){
// cout << "now: " << tree[node];
return tree[node];
}
int mid = (a+b)/2;
int q1 = query_sum(node*2+1, a, mid, i, j);
int q2 = query_sum(node*2+2, 1+mid, b, i, j);
int res = sum(q1,q2)%M;
return res;
}
void query_add_update(int node, int a, int b, int i, int j, int val) // 'val' is the difference here
{
// cout << "NOW NODE: " << node << endl;
if(lazy[node] != 0)
{
// cout << "CHECK 1" << endl;
//tree[node] += lazy[node];
//cout << "tree["<<node<<"] = " << tree[node] << endl;
if(a!=b){
lazy[2*node+1] += lazy[node];
lazy[2*node+2] += lazy[node];
// cout << "lazy["<<2*node+1<<"] = " << lazy[node*2+1] << endl;
//cout << "lazy["<<2*node+2<<"] = " << lazy[node*2+2] << endl;
}
lazy[node] = 0;
}
if(a > b || a > j || b < i)
return;
if(a >= i && b <= j)
{
//cout << "check 2" << endl;
//cout << "tree["<<node<<"] = " << tree[node] << endl;
tree[node] += val;
tree[node] %= M;
//cout << "tree["<<node<<"] = " << tree[node] << endl;
if(a!=b)
{
lazy[2*node+1] += val;
lazy[2*node+2] += val;
// cout << "lazy["<<2*node+1<<"] = " << lazy[node*2+1] << endl;
//cout << "lazy["<<2*node+2<<"] = " << lazy[node*2+2] << endl;
}
else
return;
}
int mid = (a+b)/2;
query_add_update(node*2+1, a, mid, i, j, val);
query_add_update(node*2+2, 1+mid, b, i, j, val);
tree[node] = sum(tree[node*2+1], tree[node*2+2]);
}
void query_mul_update(int node, int a, int b, int i, int j, int val)
{
if(lazy[node]!=0)
{
// tree[node] *= lazy[node];
//tree[node] %= M;
if(a!=b){
lazy[2*node+1] += lazy[node];
lazy[2*node+2] += lazy[node];
}
lazy[node] = 0;
}
if(a > b || a > j || b < i)
return;
if(a >= i && b <= j)
{
tree[node] *= val;
tree[node] %= M;
if(a!=b)
{
lazy[node*2+1] += val;
lazy[node*2+2] += val;
}
else
return ;
}
query_mul_update(node*2+1, a, (a+b)/2, i, j, val);
query_mul_update(node*2+2, 1+(a+b)/2, b, i, j, val);
tree[node] = sum(tree[node*2+1], tree[node*2+2]);
}
void query_setvalue(int node, int a, int b, int i, int j, int val)
{
if(lazy[node] != 0)
{
tree[node] += lazy[node];
if(a!=b){
lazy[2*node+1] += lazy[node];
lazy[2*node+2] += lazy[node];
}
lazy[node] = 0;
}
if(a > b || a > j || b < i)
return;
if(a >= i && b <= j)
{
tree[node] = val;
if(a!=b)
{
lazy[2*node+1] = val;
lazy[2*node+2] = val;
}
else
return ;
}
query_setvalue(node*2+1, a, (a+b)/2, i, j, val);
query_setvalue(node*2+2, 1+(a+b)/2, b, i, j, val);
tree[node] = sum(tree[node*2+1], tree[node*2+2]);
}
//Additional Function
void print(int node, int a, int b)
{
if(a>b)
return;
if(a==b){
cout << tree[node] << "("<<node<<")"<<" " ;
return;
}
int mid = (a+b)/2;
print(2*node+1,a,mid);
print(2*node+2,mid+1,b);
}
};
template <class T>
class Input{
public:
T read_int() {
char c = gc();
while(c<'0' || c>'9')
c = gc();
T ret = 0;
while(c>='0' && c<='9') {
ret = 10 * ret + c - 48;
c = gc();
}
return ret;
}
};
int main(void)
{
Input<ll>ip;
ll ans,x,y, v;
ll *ar, answer;
ll n = ip.read_int();
ll q = ip.read_int();
ar = (ll*)malloc(n*sizeof(ll));
for(int i=0;i<n;i++)
ar[i] = ip.read_int();
SegmentTree<ll> st(n);
st.build_tree(0,n-1,0,ar);
while(q--)
{
ans = ip.read_int();
x = ip.read_int();
y = ip.read_int();
if(ans!=4)
v = ip.read_int();
x -= 1;
y -= 1;
if(ans==1)
st.query_add_update(0,0,n-1,x,y,v);
if(ans==2)
st.query_mul_update(0,0,n-1,x,y,v);
if(ans==3)
st.query_setvalue(0,0,n-1,x,y,v);
if(ans==4){
answer = (ll)st.query_sum(0,0,n-1,x,y);
cout << answer << endl;
}
// st.print(0,0,n-1);
//cout << endl;
}
return 0;
}
#include<iostream>
#include<vector>
#include<cmath>
#include<cstring>
#include<cstdio>
#include<cstdlib>
#define M 1000000007
#define sum(a,b) ((a)+(b))

#define gc getchar
typedef long long int ll;

using namespace std;


template<class T>
class SegmentTree{

    ll *tree, *lazy;
    int size;
    //tree.resize(MAX);
    //lazy.resize(MAX);
    public:
     SegmentTree(int N)
     {
          int x = (int)(ceil(log2(N)))+1;
          size = 2*(int)pow(2,x);
          tree = new ll[size];
          lazy = new ll[size];
          memset(tree,-1,sizeof(tree));
          memset(lazy,0,sizeof(lazy));
     }
     void build_tree(int a, int b, int index, T *A) {

         //cout << "node: " << index << endl;

        if(a == b) {
    	tree[index] = A[a];
		return;
        }
        int mid = (a+b)/2;
        build_tree(a, mid, index*2+1, A);
        build_tree(1+mid, b, index*2+2, A);

        tree[index] = sum(tree[index*2+1], tree[index*2+2]);
       // cout << "value["<<index<<"] = " << tree[index] << endl;

    }

    int query_sum(int node, int a, int b, int i, int j) {

        //cout << "a = " << a << " b= " << b <<" i= " <<i << " j = " << j << endl;

        if(a > b || a > j || b < i) return 0;

        if(lazy[node] != 0) {
            tree[node] += lazy[node];
            tree[node] %= M;
            if(a != b) {
                lazy[node*2+1] += lazy[node];
                lazy[node*2+2] += lazy[node];
            }
            lazy[node] = 0;
        }

        if(a >= i && b <= j){
           // cout << "now:  " << tree[node];
            return tree[node];

        }

        int mid = (a+b)/2;

        int q1 = query_sum(node*2+1, a, mid, i, j);
        int q2 = query_sum(node*2+2, 1+mid, b, i, j);

        int res = sum(q1,q2)%M;

        return res;
    }

    void query_add_update(int node, int a, int b, int i, int j, int val) // 'val' is the difference here
    {
      //  cout << "NOW NODE: " << node << endl;
        if(lazy[node] != 0)
        {
        // cout << "CHECK 1" << endl;
        //tree[node] += lazy[node];

         //cout << "tree["<<node<<"] = " << tree[node] << endl;
		if(a!=b){
            lazy[2*node+1] += lazy[node];
            lazy[2*node+2] += lazy[node];
           // cout << "lazy["<<2*node+1<<"] = " << lazy[node*2+1] << endl;
            //cout << "lazy["<<2*node+2<<"] = " << lazy[node*2+2] << endl;
		}
            lazy[node] = 0;
        }

        if(a > b || a > j || b < i)
            return;

        if(a >= i && b <= j)
        {
            //cout << "check 2" << endl;
            //cout << "tree["<<node<<"] = " << tree[node] << endl;
            tree[node] += val;
             tree[node] %= M;
            //cout << "tree["<<node<<"] = " << tree[node] << endl;

            if(a!=b)
            {
                lazy[2*node+1] += val;
                lazy[2*node+2] += val;
              //  cout << "lazy["<<2*node+1<<"] = " << lazy[node*2+1] << endl;
                //cout << "lazy["<<2*node+2<<"] = " << lazy[node*2+2] << endl;

            }
            else
            return;
        }
        int mid = (a+b)/2;
        query_add_update(node*2+1, a, mid, i, j, val);
        query_add_update(node*2+2, 1+mid, b, i, j, val);
        tree[node] = sum(tree[node*2+1], tree[node*2+2]);
    }

    void query_mul_update(int node, int a, int b, int i, int j, int val)
    {
        if(lazy[node]!=0)
        {
           // tree[node] *= lazy[node];
            //tree[node] %= M;

            if(a!=b){
                lazy[2*node+1] += lazy[node];
                lazy[2*node+2] += lazy[node];
            }
            lazy[node] = 0;
        }

        if(a > b || a > j || b < i)
            return;

        if(a >= i && b <= j)
        {
            tree[node] *= val;
            tree[node] %= M;

            if(a!=b)
            {
                lazy[node*2+1] += val;
                lazy[node*2+2] += val;
            }
            else
            return ;
        }

        query_mul_update(node*2+1, a, (a+b)/2, i, j, val);
        query_mul_update(node*2+2, 1+(a+b)/2, b, i, j, val);

        tree[node] = sum(tree[node*2+1], tree[node*2+2]);
    }

    void query_setvalue(int node, int a, int b, int i, int j, int val)
    {
         if(lazy[node] != 0)
        {
        tree[node] += lazy[node];

		if(a!=b){
            lazy[2*node+1] += lazy[node];
            lazy[2*node+2] += lazy[node];
		}
            lazy[node] = 0;
        }

        if(a > b || a > j || b < i)
            return;

        if(a >= i && b <= j)
        {
            tree[node] = val;

            if(a!=b)
            {
                lazy[2*node+1] = val;
                lazy[2*node+2] = val;
            }
        else
	  	return ;

        }

        query_setvalue(node*2+1, a, (a+b)/2, i, j, val);
        query_setvalue(node*2+2, 1+(a+b)/2, b, i, j, val);

        tree[node] = sum(tree[node*2+1], tree[node*2+2]);
    }

    //Additional Function
    void print(int node, int a, int b)
    {
        if(a>b)
            return;
        if(a==b){
            cout << tree[node] << "("<<node<<")"<<" " ;
            return;
        }
        int mid = (a+b)/2;
        print(2*node+1,a,mid);
        print(2*node+2,mid+1,b);

    }


};
template <class T>
class Input{

    public:
   T read_int() {
   char c = gc();
   while(c<'0' || c>'9')
    c = gc();
   T ret = 0;

  while(c>='0' && c<='9') {
    ret = 10 * ret + c - 48;
    c = gc();
    }
  return ret;
}
};

int main(void)
{
    Input<ll>ip;
    ll ans,x,y, v;
    ll *ar, answer;
    ll n = ip.read_int();
    ll q = ip.read_int();
    ar = (ll*)malloc(n*sizeof(ll));
    for(int i=0;i<n;i++)
        ar[i] = ip.read_int();

    SegmentTree<ll> st(n);
    st.build_tree(0,n-1,0,ar);

    while(q--)
    {
        ans = ip.read_int();
        x = ip.read_int();
        y = ip.read_int();

        if(ans!=4)
            v = ip.read_int();

        x -= 1;
        y -= 1;

        if(ans==1)
            st.query_add_update(0,0,n-1,x,y,v);
        if(ans==2)
            st.query_mul_update(0,0,n-1,x,y,v);
        if(ans==3)
            st.query_setvalue(0,0,n-1,x,y,v);
        if(ans==4){
            answer = (ll)st.query_sum(0,0,n-1,x,y);
            cout << answer << endl;
        }

       // st.print(0,0,n-1);
        //cout << endl;

    }


    return 0;
}
