package main

import "fmt"

func main() {
	var s1, s2 string
	fmt.Scan(&s1, &s2)
	if (s1 == "Sat" || s1 == "Sun") && s2 != "Sat" && s2 != "Sun" {
		fmt.Println("8/32")
	} else if (s1 == "Sat" && s2 == "Sat") || (s1 == "Sat" && s2 == "Sun") || (s1 == "Sun" && s2 == "Sat") || (s1 == "Sun" && s2 == "Sun") {
		fmt.Println("8/33")
	} else {
		fmt.Println("8/31")
	}
}