# 与えられた数値の桁数と桁値の総和を計算する.
def calc_digit_sum(num):
    digits = sums = 0
    while num > 0:
        digits += 1
        sums += num % 10
        num //= 10
    return digits, sums


length = len(input())
print("x" * length) def calc_digit_sum(num):
    digits = sums = 0
    while num > 0:
        digits += 1
        sums += num % 10
        num //= 10
    return digits, sums calc_digit_sum digits = sums = 0 digits 0 = sums = 0 sums 0 while num > 0:
        digits += 1
        sums += num % 10
        num //= 10
     num > 0 num 0 digits += 1 digits 1 sums += num % 10 sums num % 10 num 10 num //= 10 num 10 return digits, sums return digits, sums digits sums num num length = len(input()) length len(input()) len input() input print("x" * length) print "x" * length "x" length length = len(input()) len(input()) length def calc_digit_sum(num):
    digits = sums = 0
    while num > 0:
        digits += 1
        sums += num % 10
        num //= 10
    return digits, sums def calc_digit_sum(num):
    digits = sums = 0
    while num > 0:
        digits += 1
        sums += num % 10
        num //= 10
    return digits, sums calc_digit_sum
# 与えられた数値の桁数と桁値の総和を計算する.
def calc_digit_sum(num):
    digits = sums = 0
    while num > 0:
        digits += 1
        sums += num % 10
        num //= 10
    return digits, sums


length = len(input())
print("x" * length)