input_list = list(map(int,input().split()))
a, b = input_list

res = None
if (a == 0 and b == 0) or (a == 2 and b == 2):
    res = 'E'
elif (a == 1 or b == 1) or (a == 0 or b == 0):
    res = 'S'
else:
    res = 'P'
    
print(res)