func_code_string: #include <bits/stdc++.h>   using namespace std;   long long a, b, c;   long long exgcd(long long a, long long b, long long& x, long long& y) {     if (b == 0) {       x = 1;       y = 0;       return a;     }     long long d = exgcd(b, a % b, x, y);     long long z = x;     x = y;     y = z - y * (a / b);     return d;   }   int main(int argc, char const* argv[]) {     cin >> a >> b >> c;     long long x, y;     long long d = exgcd(a, b, x, y);     if (c % d) {       cout << -1 << endl;     } else {       x = -c / d * x;       y = -c / d * y;       cout << x <<     << y << endl;     }     return 0;   }   