func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long a, b, c, d;     cin >> a >> b >> c >> d;     long long w, x, y, z;     bool f = 1;     if (a == c && f) {       w = a + abs(d - b);       x = b;       y = a + abs(d - b);       z = d;       f = 0;     }     if (b == d && f) {       w = a;       x = b + abs(a - c);       y = c;       z = b + abs(a - c);       f = 0;     } else if (f) {       if (abs(a - c) == abs(b - d)) {         w = a;         x = d;         y = c;         z = b;         f = 0;       } else {         cout << -1 << endl;         ;       }     }     if (!f) cout << w <<     << x <<     << y <<     << z << endl;     ;   }   