#include<iostream>
#include<cstdlib>

using namespace std;

int main()
{
int a,i[3];
int b,j[3];
cin>>a;
cin>>b;
i[0]=a%10;
a=a/10;
i[1]=a%10;
i[2]=a/10;
j[0]=b%10;
b=b/10;
j[1]=b%10;
j[2]=b/10;
if((i[0]*100+i[1]*10+i[2])>(j[0]*100+j[1]*10+j[2])){
cout<<i[0]<<i[1]<<i[2]<<endl;
}
if((j[0]*100+j[1]*10+j[2])>(i[0]*100+i[1]*10+i[2])){
cout<<j[0]<<j[1]<<j[2]<<endl;
}
if(a==b){
cout<<i[0]<<i[1]<<i[2]<<endl;
}
//system("PAUSE");
return 0;
}