func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = 1e9 + 10;   int main() {     ios_base ::sync_with_stdio(false), cout.tie(0), cin.tie(0);     int n, cnt = 0;     cin >> n;     int sv = n;     while (n--) {       int x, y;       cin >> x >> y;       if (x < 0) ++cnt;     }     cout << (min(cnt, sv - cnt) <= 1 ?  Yes n  :  No n );     return 0;   }   