#include <stdio.h>
#include <string.h>

int main() {
    printf("Enter n: ");
    int shift;
    scanf("%d", &shift);

    char text[] = {'H', 'E', 'L', 'L', 'O'};

    for (int index = 0; index < 5; index++) {
        int letter_order = text[index] - 'A';
        int shifted_letter_order = (letter_order - shift) % 26;
        char decrypted = (char) ('A' + shifted_letter_order);
        printf("%c", decrypted);
    }

    printf("\n");

    return 0;
}