#include <bits/stdc++.h>
using namespace std;
int main() {
  string s1, s2;
  getline(cin, s1);
  getline(cin, s2);
  sort(s1.begin(), s1.end());
  sort(s2.begin(), s2.end());
  int j(0);
  for (int i = 0; i < s1.size(); i++) {
    while (s2[j] == ' ') j++;
    while (s1[i] == ' ') i++;
    if (s1[i] == s2[j]) j++;
    if (j == s2.size()) {
      cout << "YES";
      return 0;
    }
  }
  cout << "NO";
  return 0;
}
