func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     long long n, m, a, b, count = 0;     ;     cin >> n >> m;     while (cin >> a >> b) {       if (a == 1 || b == 1) {         count++;       }     }     cout << count;   }   signed main() {     long long test = 1;     while (test--) {       solve();     }   }   