"""
[3578: Holes](https://www.acmicpc.net/problem/3578)
Tier: Bronze3
Category: 구현
"""
def solution(n):
if n <= 2:
return [1, 0, 8][n]
if n % 2 == 1:
return "4" + "8" * (n // 2)
return "8" * (n // 2)
if __name__ == '__main__':
print(solution(int(input())))