#include<iostream>
#include<string>

using namespace std;
int main(){
    string a,b;
    while(cin>>a>>b){
        int  t=0;
        int i=0,j=0;
        for(;i<a.length();i++){
            for(;j<b.length();j++){
                if(a[i]==b[j]) {t++;break;}
            }
        }
        if(t==a.length()) cout<<"Yes";
        else cout<<"No";

    }
    return 0;
}