import sys

sys.setrecursionlimit(10 ** 8)

input = sys.stdin.readline


def main():
    N = int(input())
    ans = 0
    for i in range(100):
        for j in range(100):
            for k in range(j + 1):
                if j * 5 + k * 2 + i * 3 == N:
                    ans += 1
    print(ans)


if __name__ == '__main__':
    main()