func_code_string: #include <bits/stdc++.h>   #pragma GCC optimize( Ofast )   #pragma GCC target( sse,sse2,sse3,sse3,sse4,popcnt,abm,mmx )   const int N = (int)5e5 + 7, inf = (int)1e9 + 7, mod = (int)1e9 + 7;   const long long linf = (long long)1e18 + 7;   const int dx[] = {-1, 0, 1, 0, 1, -1, -1, 1},             dy[] = {0, 1, 0, -1, 1, -1, 1, -1};   using namespace std;   int n;   int main() {     ios_base ::sync_with_stdio(0), cin.tie(0), cout.tie(0);     cin >> n;     int l = 0, r = 0;     for (int i = 1; i <= n; i++) {       int x, y;       cin >> x >> y;       if (x < 0) l++;       if (x > 0) r++;     }     if (max(l, r) >= n - 1)       cout <<  Yes ;     else       cout <<  No ;     exit(0);   }   