import numpy as np

N = int(input())
M = 6 * N
dp = np.zeros(M + 1, np.int64)
for i in range(N + 1):
    dp[i] += 1

for _ in range(7):
    prev = dp.copy()
    for i in range(1, N + 1):
        dp[i:] += prev[:-i]
print(dp[M])