package main

import (
	"fmt"
)

func main() {
	ans := 1
	for range make([]struct{}, 3) {
		x := 16
		var str string
		fmt.Scan(&str)
		if str != "NONE" {
			for i := 0; i < len(str); i += 2 {
				for _, v := range "0123456789ABCDEF" {
					if str[i] == byte(v) {
						x--
					}
				}
			}
		}
		ans *= x * x
	}
	fmt.Println(ans)
}