#include<iostream>

using namespace std;


int main()
    {
    int a,b; 
    cin>>a>>b;
    if (a%10*100+a/10%10*10+a/100 % 10>b%10*100+b/10%10*10+b/100 % 10)
       
       
    cout<<a%10<<(a/10)%10<<(a/100) % 10;
       
    else
       cout<<b%10<<(b/10)%10<<(b/100) % 10;
        
    //system("pause");
    return 0;
        }