func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int x, t, a, b, da, db;     while (cin >> x >> t >> a >> b >> da >> db) {       bool f = 0;       for (int i = 0; i <= t; i++) {         for (int j = 0; j <= t; j++) {           int t1, t2;           if (i == t)             t1 = 0;           else             t1 = a - i * da;           if (j == t)             t2 = 0;           else             t2 = b - j * db;           if (t1 + t2 == x) {             f = 1;             break;           }         }       }       if (f)         cout <<  YES  << endl;       else         cout <<  NO  << endl;     }   }   