package main

import . "fmt"

func main() {
	var s1,s2 string
	Scan(&s1,&s2)
	m:=map[string]bool{
		"Sun":true,
		"Sat":true,
	}
	if m[s1]{
		if m[s2] {
			Println("8/33")
		} else {
			Println("8/32")
		}
		return
	}
	Println("8/31")
}