import numpy as np

S=input()
S=''.join(['x']*len(S))
print(S) import numpy as np numpy S=input() S input() input S=''.join(['x']*len(S)) S ''.join(['x']*len(S)) ''.join '' join ['x']*len(S) ['x'] 'x' len(S) len S print(S) print S S=''.join(['x']*len(S)) ''.join(['x']*len(S)) S S=input() input() S
import numpy as np

S=input()
S=''.join(['x']*len(S))
print(S)