s = input()
s1 = len(s)
list01 = []
for i in range(s1):
    list01.append('x')
print(''.join(list01)) s = input() s input() input s1 = len(s) s1 len(s) len s list01 = [] list01 [] for i in range(s1):
    list01.append('x') i range(s1) range s1 list01.append('x') list01.append list01 append 'x' print(''.join(list01)) print ''.join(list01) ''.join '' join list01 list01 = [] [] list01 s = input() input() s s1 = len(s) len(s) s1
s = input()
s1 = len(s)
list01 = []
for i in range(s1):
    list01.append('x')
print(''.join(list01))