#include <stdio.h>

const int Mod = 1000000007;

int main()
{
	int N;
	scanf("%d", &N);
	
	int i, j, dp[200001][16] = {};
	long long ans = 0, tmp;
	for (i = 5, dp[4][10] = 1; i <= N; i++) {
		for (j = 0; j < 16; j++) {
			dp[i][j*2%16] += dp[i-1][j];
			dp[i][(j*2+1)%16] += dp[i-1][j];
		}
		dp[i][10] = 0;
		for (j = 0; j < 16; j++) if (dp[i][j] >= Mod) dp[i][j] -= Mod;
	}
	for (i = N, tmp = 1; i >= 1; i--, tmp = tmp * 2 % Mod) for (j = 0; j < 16; j++) ans += tmp * dp[i][j] % Mod;
	printf("%lld\n", ans % Mod);
	fflush(stdout);
	return 0;
}