#include <cstdio>
#include <string>
 
int alpha[256];
char buf[100001];
 
int main(void) {
	int n; scanf("%d", &n);
	while(n--) {
		int x; scanf("%d ", &x);
		if (x == 0) {
			alpha[32] += 1;
		}
		else if (x >= 1 && x <= 26) {
			x -= 1;
			alpha['A' + x] += 1;
		}
		else if (x >= 27 && x <= 52) {
			x -= 27;
			alpha['a' + x] += 1;
 		}
	}
 
	fgets(buf, sizeof(buf), stdin);
	for (int i = 0; buf[i] != '\0'; i++) {
		alpha[buf[i]] -= 1;
	}
	for (int i = 0; i < 256; i++) {
		if (alpha[i] != 0) {
			printf("n\n");
			return 0;
		}
	}
	printf("y\n");
	return 0;
}

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

MTEKNDQgMCAzOCA0MSAzOCAzMSAyMyA4IDQxIDMwIDM4CkhlbGxvIFdvcmxkCg==

11
44 0 38 41 38 31 23 8 41 30 38
Hello World