#include "bits/stdc++.h"
using namespace std;
#define MAX 100
int ss[MAX];
int main()
{
    string s;
    cin >> s;
    for (char a :s ) {
        ss[a]++;
    }
    cin >> s;
    for (char a : s) {
        ss[a]--;
    }
    for (int i = 0; i < MAX; i++) {
        if (!ss[i]) {
            cout << "YES" << endl;
            return 0;
        }
    }
    cout << "NO" << endl;
}