// yukicoder: No.793 うし数列 2
// 2019.5.5 bal4u

#include <stdio.h>

#define M 1000000007
#define INV3 333333336LL   // inverse(3)

int bigPow(int x, int p)
{
	int r = 1;
	while (p) {
		if (p & 1) r = (long long)r * x % M;
		x = (long long)x * x % M;
		p >>= 1;
	}
	return r;
}

int main()
{
	int a;
	long long N;
	
	scanf("%lld", &N);
	a = bigPow(10, N%(M-1));
	printf("%d\n", (int)((a+INV3*(a+M-1))%M));
	return 0;
}