package main

import "fmt"

//import "math"

func main() {
	var s string
	fmt.Scan(&s)
	r := ""
	for i, v := range s {
		fmt.Println(v, int32(i+1)%int32(26), int32(v)-int32(64)-int32(i+1)%int32(26))
		c := int32(v) - int32(64) - int32(i+1)%int32(26)
		c = c % int32(27)
		r = r + string(rune(c+int32(64)))
	}
	fmt.Println(r)
}