#include<bits/stdc++.h> using namespace std; int main() { long long n,k; int s,b,s1,b1; cin>>n>>k; s=n/1%10; b=n/10%10; s1=k/1%10; b1=k/10%10; if(n==k){ cout<<"100"; } else if(s==s1||s==b1||b==s1||b==b1){ cout<<"10"; } else{ cout<<"0"; } return 0; }