#include<bits/stdc++.h> using namespace std; int main(){ int x,y,xs,xg,ys,yg; cin>>x>>y; xg=x/1%10; xs=x/10%10; yg=y/1%10; ys=y/10%10; if(x==y) cout<<"100"; else if(xg==ys&&xs==yg) cout<<"20"; else if(xg==yg||xs==ys||xg==ys||xs==yg) cout<<"2"; else cout<<"0"; return 0; }