#include<stdio.h>

typedef long long ll;


int main(void)
{
	ll N, r;
	int i;


	while(scanf("%lld", &N)==1)
	{
		r=1LL;
		N%=1000000007;
		for(i=0;i<3;i++) r=(r*N)%1000000007;
		printf("%lld\n", r);
	}
	return 0;
}