#include<iostream> using namespace std; int main(){ int a,b,g1,s1,g2,s2; cin>>a>>b; g1=b/1%10; s1=b/10%10; g2=a/1%10; s2=a/10%10; if(a==b){ cout<<"100"; }else if(g1==g2){ cout<<"10"; }else if(g1==s2){ cout<<"10"; }else if(s1==g2){ cout<<"10"; }else if(s1==s2){ cout<<"10"; }else{ cout<<"0"; } return 0; }