'''
# 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!'
t=input()
while (t>0):
	t-=1
	s=raw_input()
	if s==s[::-1]:
		print"YES"
	else:
		print"NO"