n = int(input())
comb = [
    [1], 
    [1, 1], 
    [1, 2, 1], 
    [1, 3, 3, 1], 
    [1, 4, 6, 4, 1], 
    [1, 5, 10, 10, 5, 1],
    [1, 6, 15, 20, 15, 6, 1],
    [1, 7, 21, 35, 35, 21, 7, 1]
]
for i in range(6*n):
    vec = [1]
    for j in range(7):
        vec.append(comb[-1][j] + comb[-1][j+1])
    comb.append(vec)
limit = (6 * n) // (n + 1)

S = 0
sign = 1
for i in range(limit+1):
    S += sign * comb[8][i] * comb[6*n+7-(n+1)*i][7]
    sign *= -1
print(S)