func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     long long int n;     cin >> n;     long long int a[n + 1];     for (long long int i = 1; i <= n; i++) {       cin >> a[i];     }     long long int f = 0;     for (long long int i = 1; i <= n; i++) {       for (long long int j = 1; j <= n; j++) {         if (j != i) {           for (long long int k = 1; k <= n; k++) {             if (k != j) {               if (a[i] == a[j] + a[k]) {                 f = 1;                 cout << i <<     << j <<     << k << endl;                 break;               }             }           }           if (f) {             break;           }         }       }       if (f) {         break;       }     }     if (f == 0) {       cout << -1;     }     return 0;   }   