n = int(input())

first_len = (n + 1) // 2
second_len = n // 2

first_part = []
current = 1
for _ in range(first_len):
    first_part.append(current)
    current += 1
    if current > 9:
        current = 1

second_part = first_part[:second_len]

result = first_part + second_part

print(''.join(map(str, result)))