def calc(a, b):
    if a == '0' and b == '0':
        return 'E'
    if a == '2' and b == '2':
        return 'E'

    if a == '1' or b == '1':
        return 'S'
    if a == '0' or b == '0':
        return 'S'

    return 'P'


A, B = input().split()
print(calc(A, B))