#include<bits/stdc++.h>
using namespace std;
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n,k,x=0,y=0;
    cin>>n>>k;
    for(int i=0;i<n;i++)
    {
        int l,d,r,u;
        cin>>l>>d>>r>>u;
        x=max(x,l);
        y=max(y,d);
    }
    cout<<x<<" "<<y<<'\n';
}
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