Form String by Rotation

Given two strings S1 and S2, print yes if S2 can be obtained by rotating the string S1. Else print no.

Boundary Condition(s):
1 <= Length of S1, S2 <= 10000

Input Format:
The first line contains S1 and S2 separated by space.

Output Format:
The first line contains Yes if S2 can be obtained by rotating S1 else No.

Example Input/Output 1:
Input:
hello llohe

Output:
Yes

Example Input/Output 2:
Input:
Question tionseuQ

Output:
No

def areRotations(string1, string2):
size1 = len(string1)
size2 = len(string2)
temp = ''
if size1 != size2:
return 0
temp = string1 + string1
if (temp.count(string2)> 0):
return 1
else:
return 0
string1,string2=map(str,input().split())
if areRotations(string1, string2):
print("Yes")
else:
print("No")