A, B = input().split()
if A == "0" or B == "0":
	if A == "0" and B == "0":
		print("E")
	else:
		print("S")
elif A == "1" or B == "1":
	print("S")
else:
	if A == "2" and B == "2":
		print("E")
	else:
		print("P")