package main

import . "fmt"

func main() {
	var s string
	var n int64
	Scan(&s,&n)
	f(s,n)
	Println()
}

func f(s string, n int64) {
	for _, c := range s {
		switch  {
		case '0' <= c && c <= '8':
			f(string(c+1), n-1)
		case c == '9':
			f("CpCzNkSuTbEoA",n-1)
		case 'A' <= c && c <= 'Z':
			Print(string((int(c-'A')+int(n % 26))%26+'A'))
		case 'a' <= c && c <= 'z':
			Print(string((int(c-'a')+int(n % 26))%26+'a'))
		}
	}
}