import numpy as np
N=int(input())
if N<4:
	print(0)
	exit()
dp=[[1 for i in range(8)] for i in range(N-2)]
ans=1
temp=2
rem=N
mod=10**9+7
for i in range(N-3):
	for j in range(8):
		dp[i+1][j]=(dp[i][j//2]+dp[i][j//2+4])%mod
	dp[i+1][2]=(dp[i+1][2]-dp[i][5]+mod)%mod
while rem:
	if rem%2:
		ans=(ans*temp)%mod
	temp=(temp*temp)%mod
	rem//=2
print((ans-sum(dp[N-3])+mod*8)%mod)