import sys
S = input()

if not S.islower(): sys.exit()
if not ( 1 <= len(S) <= 100 ): sys.exit()

print('x'*len(S)) import sys sys S = input() S input() input if not S.islower(): sys.exit() not S.islower() S.islower() S.islower S islower if not ( 1 <= len(S) <= 100 ): sys.exit() not ( 1 <= len(S) <= 100 ) 1 <= len(S) <= 100 1 <= len(S) 1 len(S) len S 100 print('x'*len(S)) print 'x'*len(S) 'x' len(S) len S S = input() input() S
import sys
S = input()

if not S.islower(): sys.exit()
if not ( 1 <= len(S) <= 100 ): sys.exit()

print('x'*len(S))