#include<bits/stdc++.h>
using namespace std;
int main()
{
    char a[100],max1=0,s1=0,s2=0,n;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
    	cin>>s1[i];
    	cin>>s2[i];
		if(s1[i]>max1) max1=s1[i];
	}
    cout<<s2[max1];
}