#include<bits/stdc++.h>
using namespace std;
string a,bs;
int num;
int main(){
	int n;
	cin>>n;	
	for(int i=1;i<=n;i++){
		cin>>a;
		if(bs.size()<a.size()){
			bs=a;
			num=i;
		}
		else if(bs.size()==a.size()){
			for(int i=bs.size();i>=1;i--){
				if(bs[i]-'0'<a[i]-'0'){
					bs=a;
					num=i;
				}
			}
		}
	}
	cout<<num<<endl;
	cout<<bs;
	return 0;              
}