#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    vector<int> n(4), m(4);
    for(auto & e : n) cin >> e;
    m = n;
    auto r3 = [](vector<int> n, vector<int> &m){
        m[0] = (m[0]*n[0] + m[1]*n[2]);
        m[2] = (m[2]*n[0] + m[3]*n[2]);
        m[1] = (m[0]*n[1] + m[1]*n[3]);
        m[3] = (m[2]*n[1] + m[3]*n[3]);
    };
    r3(n, m);
    r3(n, m);
    for(int i = 0; i < 4; i++) cout << m[i] << (i == 0 || i == 2 ? ' ' : '\n');
    return 0;
}