#include <stdio.h>

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

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

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