include<bits/stdc++.h>
using namespace std; int main( ) {
int n,c,m,sum,max1=0,max2=0;
cin>>n;
for(int i=0;i<n;i++)
{
cin>>c>>m;
sum=c+m;
if(c>max1)
max1=c;
if(m>max1)
max1=m;
if(sum>max2)
max2=sum;
}
cout<<max2<<" "<<max1;
return 0;
}