N = int(input())
M = 1000
A = [int(i <= N) for i in range(M)]

def pow2(L, M):
    new = [0] * M
    for i in range(M):
        for j in range(i + 1):
            new[i] += L[j] * L[i - j]
    return new

for _ in range(3):
    A = pow2(A, M)

print(A[6*N])