#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using ull=unsigned long long;
using vi=vector<int>;
using vll=vector <ll>;
using vvi=vector <vector <int>>;
using vvll=vector <vector<ll>>;
using pii=pair<int,int>;
using pll=pair<ll,ll>;
using str=string;
using vpii=vector<pii>;
#define fast ios_base::sync_with_stdio(false); cin.tie (nullptr); cout.tie (nullptr);
#define nl '\n'
#define F first
#define S second
#define het return 0;
#define kt size()

#define FILE_NAME ""

int main () {
    fast
    // freopen(FILE_NAME ".INP", "r", stdin);
    // freopen(FILE_NAME ".OUT", "w", stdout);=
    ll n;
    cin >> n;
    ll l=1,r=1,sum=1,a=1,b=1,mx=1;
    while (r<=n) {
        if (sum<n) {
            r++;
            sum+=r;
        }
        else if (sum>n) {
            sum-=l;
            l++;
        }
        else {
            if (r-l+1>mx) {
                mx=r- l + 1;
                a=l;
                b=r;
            }
            r++;
            sum+=r;
            sum-=l;
            l++;
        }
    }
    cout << n << "=" << a << "+...+" << b;
    het
}