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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    ll a, b, c, d, e, f, g, h; cin >> e >> f >> g >> h;
    a = e, b = f, c = g, d = h;
    auto r3 = [&](ll &a, ll &b, ll &c, ll &d, ll e, ll f, ll g, ll h){
        ll aa = a, bb = b, cc = c, dd = d;
        a = (aa*e + bb*g);
        c = (cc*e + dd*g);
        b = (aa*f + bb*h);
        d = (cc*f + dd*h);
    };
    r3(a, b, c, d, e, f, g, h);
    r3(a, b, c, d, e, f, g, h);
    cout << a << ' ' << b << '\n';
    cout << c << ' ' << d << '\n';
    return 0;
}