#include <iostream>

using namespace std;

int main()
{
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    int A = (a + c) / 2;
    int B = (d - b) / 2;
    int C = (c - a) / 2;
    int D = (b + d) / 2;
    if (C != D)
    {
        cout << "NO";
    }
    else
    {
        cout << A << " " << C << " " << B;
    }
    return 0;
}