# No.639 An Ordinary Sequence
import sys
sys.setrecursionlimit(10 ** 9)

def rec(x: int, memo: dict) -> int:
    if x == 0:
        return 1
    if x in memo:
        return memo[x]
    return rec(x // 3, memo) + rec(x // 5, memo)


def main():
    N = int(input())
    memo = {}
    print(rec(N, memo))


if __name__ == "__main__":
    main()