#include <bits/stdc++.h>
using namespace std;
int main() {
int n, a, b, x, y;
x = 0;
y = 0;
cin >> n;
while( n --) {
cin >> a >> b;
switch (a) {
case 0 : y += b; break;
case 1 : x += b; break;
case 2 : y -= b; break;
case 3 : x -= b; break;
}
}
cout << x << " " << y << endl;
}