#include <iostream>
using namespace std;

int 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"<< endl;

    return 0;
}