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


int main(int argc, char *argv[])
{
    if (argc < 3)
    {
        printf("Not enough arguments\n");
        return 0;
    }

    char values[] = "abcdefghijklmnopqrstuvwxyz";
    char word[5];
    char String[5];
    strcpy(word, argv[1]);
    int i, key = atoi(argv[2]);


    for (i = 0; i < strlen(word); i++)
    {
        char find = word[i];
        const char *ptr = strchr(values, find);
        int index = ptr - values;
        String[i] = values[index+key];

    }
    printf("%s\n", String );

    return 0;
}