func_code_string: #include <bits/stdc++.h>   using namespace std;   int GCD(int a, int b) {     if (a == 0)       return b;     else       return GCD(b % a, a);   }   int main() {     int v[2], n, i = 0;     cin >> v[0] >> v[1] >> n;     while (n >= 0) {       int k = GCD(n, v[i]);       n -= k;       i = !i;     }     cout << i << endl;   }   