func main()
	var ss: [][]char :: cui@input().split(" ")
	if(ss[0][0] = 'S')
		if(ss[1][0] = 'S')
			do cui@print("8/33\n")
		else
			do cui@print("8/32\n")
		end if
	else
		do cui@print("8/31\n")
	end if
end func