N = int(input())

m = 1000000007

t = [0] * (N + 1 + 6)
t[0] = 1

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

t[2] = (t[0] + t[1]) * n
t[2] %= m

t[3] = (t[0] + t[1] + t[2]) * n
t[3] %= m

t[4] = (t[0] + t[1] + t[2] + t[3]) * n
t[4] %= m

t[5] = (t[0] + t[1] + t[2] + t[3] + t[4]) * n
t[5] %= m

t[6] = (t[0] + t[1] + t[2] + t[3] + t[4] + t[5]) * n
t[6] %= m

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