func main()
	var a: []char :: cui@inputStr()
	var b: []char :: cui@inputStr()
	if(a = "0")
		if(b = "0")
			do cui@print("E")
		else
			do cui@print("S")
		end if
	elif(b = "0")
		do cui@print("S")
	elif(a = "2" & b = "2")
		do cui@print("E")
	elif(a = "1" | b = "1")
		do cui@print("S")
	else
		do cui@print("P")
	end if
	do cui@print("\n")
end func