#include <cstring>
#include <iostream>
#include <cstdlib>
#define ll long long
using namespace std;

ll mod = 1000000007;
/*
* function to multiply two matrices
*/
void multiply(ll F[2][2], ll M[2][2])
{
	ll x = F[0][0] * M[0][0] + F[0][1] * M[1][0]; x %= mod;
	ll y = F[0][0] * M[0][1] + F[0][1] * M[1][1]; y %= mod;
	ll z = F[1][0] * M[0][0] + F[1][1] * M[1][0]; z %= mod;
	ll w = F[1][0] * M[0][1] + F[1][1] * M[1][1]; w %= mod;
	F[0][0] = x;
	F[0][1] = y;
	F[1][0] = z;
	F[1][1] = w;
}

/*
* function to calculate power of a matrix
*/
void power(ll F[2][2], ll n)
{
	if (n == 0 || n == 1)
		return;
	ll M[2][2] = { { 1,1 },{ 1,0 } };
	power(F, n / 2);
	multiply(F, F);
	if (n % 2 != 0)
		multiply(F, M);
}

/*
* function that returns nth Fibonacci number
*/
ll fibo_matrix(ll n, ll mm)
{
	mod = mm;
	ll F[2][2] = { { 1,1 },{ 1,0 } };
	if (n == 0)
		return 0;
	power(F, n - 1);
	return F[0][0];
}
/*
* Main
*/
int main()
{
	ll n; cin >> n;
	cout << fibo_matrix(fibo_matrix(n, 2000000016), 1000000007) << endl;
	return 0;
}