func_code_string: #include <bits/stdc++.h>   using namespace std;   long long gcdExtended(long long a, long long b, long long *x, long long *y) {     if (a == 0) {       *x = 0;       *y = 1;       return b;     }     long long x1, y1;     long long gcd = gcdExtended(b % a, a, &x1, &y1);     *x = y1 - (b / a) * x1;     *y = x1;     return gcd;   }   int main() {     long long x, y, a, b, c;     cin >> a >> b >> c;     c = -c;     long long g = gcdExtended(a, b, &x, &y);     if (c % g == 0)       cout << c * x / g <<     << c * y / g << endl;     else       cout <<  -1  << endl;     return 0;   }   