func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     int a[3];     int s = 0;     int count = 0;     cin >> n;     for (int i = 0; i < n; i++) {       for (int j = 0; j < 3; j++) {         cin >> a[j];         if (a[j] == 1) count++;       }       if (count >= 2) s++;       count = 0;     }     cout << s << endl;   }   