func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, r;   int x[105], y[105];   vector<pair<int, int> > pos, neg;   bool cmp(pair<int, int> p1, pair<int, int> p2) {     return p1.first + p1.second > p2.first + p2.second;   }   int main() {     cin >> n >> r;     for (int i = 0; i < n; i++) {       scanf( %d%d , &x[i], &y[i]);       if (y[i] >= 0)         pos.push_back(pair<int, int>(x[i], y[i]));       else         neg.push_back(pair<int, int>(x[i], y[i]));     }     sort(pos.begin(), pos.end());     sort(neg.begin(), neg.end(), cmp);     for (int i = 0; i < pos.size(); i++) {       if (pos[i].first <= r)         r += pos[i].second;       else {         printf( NO n );         return 0;       }     }     for (int i = 0; i < neg.size(); i++) {       if (neg[i].first <= r)         r += neg[i].second;       else {         printf( NO n );         return 0;       }       if (r < 0) {         printf( NO n );         return 0;       }     }     printf( YES n );     return 0;     return 0;   }   