func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int x1, x2, x3, n1, n2, n3;     scanf( %d %d %d , &x1, &x2, &x3);     n3 = (x1 - x2 + x3) / 2;     n2 = x3 - n3;     n1 = x1 - n3;     if (n1 < 0 || n2 < 0 || n3 < 0 || 2 * (n1 + n2 + n3) != x1 + x2 + x3)       printf( Impossible n );     else       printf( %d %d %d n , n1, n2, n3);     return 0;   }   