n = input()
total = n*6
dp = [[0]*min(n*(i+1)+2,6*n+2) for i in xrange(8)]
for i in xrange(n+1):
	dp[0][i] = 1
for i in xrange(7):
	for j in xrange(min(n*(i+1),n*6)+1):
		dp[i+1][j] += dp[i][j]
		dp[i+1][j+min(n,total-j)+1] -= dp[i][j]
	for j in xrange(min(n*(i+2),n*6)+1):
		dp[i+1][j+1] += dp[i+1][j]
print dp[7][total]