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


if __name__ == '__main__':
    main()