'''
# Read input from stdin and provide input before running code

name = raw_input('What is your name?\n')
print 'Hi, %s.' % name
'''
#print 'Hello World!'
n = int(raw_input())
i = 0
while (i < n):
	s = raw_input()
	if (s == s[::-1]):
		print "YES"
	else:
		print "NO"
	i += 1