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;

}