N = int(input())

t = [0] * (max(N + 1, 10))
t[0] = 1

n = pow(6, 1000000007 - 2, 1000000007)
t[1] = t[0] * n
t[1] %= 1000000007
t[2] = t[1] * n + t[0] * n
t[2] %= 1000000007
t[3] = t[2] * n + t[1] * n + t[0] * n
t[3] %= 1000000007

t[4] = t[3] * n + t[2] * n + t[1] * n + t[0] * n
t[4] %= 1000000007

t[5] = t[4] * n + t[3] * n + t[2] * n + t[1] * n + t[0] * n
t[5] %= 1000000007

t[6] = t[5] * n + t[4] * n + t[3] * n + t[2] * n + t[1] * n + t[0] * n
t[6] %= 1000000007

for i in range(7, N + 1):
    for j in range(1, 7):
        t[i] += t[i - j] * n
    t[i] %= 1000000007
print(t[N])