#include <stdio.h>

int main() {
    char ch;
    int n;
    scanf("%c %d", &ch, &n);

    if (ch >= 'A' && ch <= 'Z') {
        printf("%c", 'A' + (((ch + n) - 'A') % ('Z' - 'A') - 1));
    }
    else if (ch >= 'a' && ch <= 'z') {
        printf("%c", 'a' + (((ch + n) - 'a') % ('z' - 'a') - 1));
    }
    else {
        printf("%c", ch);
    }
    return 0;
}

Embed on website

To embed this project on your website, copy the following code and paste it into your website's HTML: