func_code_string: #include <bits/stdc++.h>   using namespace std;   const int NMAX = 100007;   int v[NMAX];   int n;   int main() {     cin >> n;     for (int i = 1; i <= n; ++i) {       cin >> v[i];     }     sort(v + 1, v + n + 1);     for (int i = 3; i <= n; ++i) {       if (v[i - 2] + v[i - 1] > v[i]) {         cout <<  YES ;         return 0;       }     }     cout <<  NO ;     return 0;   }   