#include <stdio.h>
#define NMax 25

const char IN[]="submultimi.in",OUT[]="submultimi.out";

int N;
int v[NMax];

void bkt(int x){
	if (x==N+1){
		if (v[0]==0) return;
		for (int i=1;i<=v[0];++i) printf("%d ",v[i]);printf("\n");
		return;
	}
	v[++v[0]]=x;
	bkt(x+1);
	--v[0];
	bkt(x+1);
}

int main()
{
	freopen(IN,"r",stdin);
	scanf("%d",&N);
	fclose(stdin);
	freopen(OUT,"w",stdout);
	bkt(1);
	fclose(stdout);
	return 0;
}