# is s2 a rotation of s1

s1 = "foo"
s2 = "oof"

s3 = s2 + s2

s4 = "a"
s5 = "b"

s6 = s5 + s5


if s1 in s3:
    print("True")
else:
    print("False")

if s4 in s6:
    print("True")
else:
    print("False")
