# function to check string is palindrome or not .
def isPalindrome(str):

	# Run loop from 0 to len/2 
	for i in range(0, int(len(str)/2)): 
		if str[i] != str[len(str)-i-1]:
			return False
	return True

# main function
s = "malayalam"
ans = isPalindrome(s)

if (ans):
	print("Yes")
else:
	print("No")