#include<iostream> using namespace std; int main(){ int a,b,g,s,g1,s1; cin>>a>>b; g=a%10; s=a/10%10; g1=b%10; s1=b/10%10; if(g>g1){ cout<<a; }else if(g==g1&&s>s1){ cout<<a; }else if(g1>g){ cout<<b; }else if(g==g1&&s<s1){ cout<<b; } return 0; }