#include<stdio.h>
#define X 1000000007

long long sankaku(long long a){return ((a*(a+1))/2)%X;}

int main(void){
	long long n,i,r=1;
	scanf("%lld",&n);
	for(i = 1;i <= n;i++){
		r*=sankaku(i*2-1);
		r%=X;
	}
	printf("%lld\n",r);
	return 0;
}