from sys import stdin
rs = lambda : stdin.readline().strip()
ri = lambda : int(rs())
ril = lambda : list(map(int, rs().split()))

def main():
    N = ri()
    ans = 0
    for i in range(51):
        for j in range(34):
            for k in range(21):
                t = i * 2 + j * 3 + k * 5
                if t == N and i <= k:
                    ans += 1
    print(ans)

if __name__ == '__main__':
    main()