#include<iostream> using namespace std; int main (){ int a,b; cin>>a>>b; int g=b/1%10; int s=b/10%10; int n=a/1%10; int m=a/10%10; if(b==a){ cout<<"100"; }else if(g==n||s==m){ cout<<"10"; }else{ cout<<"0"; } return 0; }