#include<stdio.h>
FILE*f=fopen("submultimi.in","r");
FILE*g=fopen("submultimi.out","w");
int n,v[17];
void tipar(int x){
	int ok=0;
	for(int i=1;i<=x;i++)
		if(v[i]==1){
			fprintf(g,"%d ",i);
			ok=1;
		}
	if(ok==1)	
		fprintf(g,"\n");
}
void back(int k){
	if(k>n)
		tipar(n);
	else
		for(int i=0;i<=1;i++){
			v[k]=i;
			back(k+1);
		}
}
int main() {
	fscanf(f,"%d",&n);
	back(1);
	fclose(g);
	fclose(f);
	return 0;
}