#!/usr/bin/python
def isPalindrome(x):
a = str(x)
l = 0
r = len(a)-1
while l < r:
if a[l] != a[r]:
return False
l += 1
r -= 1
return True
if __name__ == '__main__':
print isPalindrome(121)
print isPalindrome(-121)
print isPalindrome(10)