#include <stdio.h>
#include <malloc.h>
char str[60000];
int str_len = 0;

/// <summary>
/// グローバル変数strの中身を入力された文字列で上書きする
/// </summary>
void ReadString() {
	char c = getchar();
	str_len = 0;

	while (c != '\n') {
		str[str_len] = c;
		c = getchar();
		str_len++;
	}
}

int main()
{
	ReadString();
	char *str1;
	str1 = (char*)malloc(sizeof(char) * str_len);
	for (int i = 0;i < str_len;i++) {
		str1[i] = str[i];
	}
	int str1_len = str_len;
	
	ReadString();
	char *str2;
	str2 = (char*)malloc(sizeof(char) * str_len);
	for (int i = 0;i < str_len;i++) {
		str2[i] = str[i];
	}
	int str2_len = str_len;

	int collect = 1;
	for (int i = 0;i < str1_len;i++) {
		for (int j = 0;j < str2_len;j++) {
			if (str1[i] == str2[j] && str2[j] != 64) {
				str2[j] = 64;
				break;
			}
			if (j == str2_len-1) {
				collect = 0;
			}
		}
	}
	if (collect == 0) {
		printf("%s\n","NO");
	}
	else {
		printf("%s\n", "YES");
	}
	/*
	for (int i = 0;i < str1_len;i++) {
		printf("%c", str1[i]);
	}
	printf("\n");
	for (int i = 0;i < str2_len;i++) {
		printf("%c", str2[i]);
	}
	*/
}