#include<bits/stdc++.h>
using namespace std;
main(){
int n,a,b,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<<"\n";
}