import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)


def modinv(a, mod=10 ** 9 + 7):
    return pow(a, mod - 2, mod)


n = int(readline())
mod = 10 ** 9 + 7
print(pow(7, n - 1, mod) * modinv(pow(6, n, mod), mod) % mod)