#include <bits/stdc++.h>
#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
#include<string>
using ll = long long;
using namespace std;

int main(){
    ll a, b, c, d, ans1, ans2;
    cin >> a >> b >> c >> d;
    ans1 = a*c - b*d;
    ans2 = a*d + b*c;
    cout << ans1 << " " << ans2 << endl;
}