1046 划拳 (15分)

#include <iostream>
using namespace std;

int main()
{
    int n,a=0,b=0,x1,x2,y1,y2;
    cin>>n;
    for(int i=0;i<n;i++)
    {
        cin>>x1>>x2>>y1>>y2;
        if(x2!=y2)
        {
            if(x2==x1+y1)
                b++;
            else if(y2==x1+y1)
                a++;
        }
    }
    cout<<a<<" "<<b<<endl;
    return 0;
}