#include <bits/stdc++.h>
using namespace std;
int main()
{
int n, counter=0;
vector<int> v(n);
cin >> n;
for (int i=0; i<n; i++) {
cin >> v[i];
}
int avg;
for (int start=0; start<n; start++) {
for (int end=start; end<n; end++) {
avg=0;
bool b=false;
for(int j=start;j<=end;j++){
avg+=v[j];
}
for(int j=start;j<=end;j++){
if(avg%(end-start+1)==v[j]){
b=true;
}
}
if(b==true){
counter++;
}
}
}
cout<<counter;
}
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