n=int(input())
mod2 = 10**9+7
mod1 = 2*(mod2+1)

f = [[1, 1], [1, 0]]

nt = n
size = 0
while nt > 0:
	size += 1
	nt //= 2

dp = [[[0, 0], [0, 0]] for i in range(size+1)]
dp[0] = f

for i in range(size):
	for j in range(2):
		for k in range(2):
			for l in range(2):
				# f[j][l] * f[l][k]
				dp[i+1][j][k] += dp[i][j][l] * dp[i][l][k] % mod1
				dp[i+1][j][k] %= mod1

#print(*dp,sep="\n")

mt = [1, 0]
for i in range(size+1):
	if (n >> i)&1:
		nmt = [0, 0]
		for k in range(2):
			for l in range(2):
				nmt[k] += dp[i][k][l] * mt[l] % mod1
				nmt[k] %= mod1
		mt[0] = nmt[0]
		mt[1] = nmt[1]

targ = mt[1]

#print(targ)

nt = targ
size = 0
while nt > 0:
	size += 1
	nt //= 2

dp = [[[0, 0], [0, 0]] for i in range(size+1)]
dp[0] = f

for i in range(size):
	for j in range(2):
		for k in range(2):
			for l in range(2):
				# f[j][l] * f[l][k]
				dp[i+1][j][k] += dp[i][j][l] * dp[i][l][k] % mod2
				dp[i+1][j][k] %= mod2

mt = [1, 0]
for i in range(size+1):
	if (targ >> i)&1:
		nmt = [0, 0]
		for k in range(2):
			for l in range(2):
				nmt[k] += dp[i][k][l] * mt[l] % mod2
				nmt[k] %= mod2
		mt[0] = nmt[0]
		mt[1] = nmt[1]

print(mt[1])