#include <iostream>
#include <cmath>
#include <algorithm>
#include <cstring>
using namespace std;
#define ll long long
char s[100005], t[3];
bool flag;
bool inString(char c){
    for(int i=0;i<strlen(s);i++){
        if(s[i] == c+32) return 1;
    }
    return 0;
}
int main(){
    cin >> s;
    cin >> t;
    if(t[2] == 'X') flag=(inString(t[0]) && inString(t[1]));
    else flag=(inString(t[0]) && inString(t[1]) && inString(t[2]));
    if(flag) cout<<"Yes";
    else cout<<"No";
    return 0;
}