#include <stdio.h>
int n,m;
FILE *f=fopen("submultimi.in","r");
FILE *g=fopen("submultimi.out","w");
int x[17],vmax[4]={0,23,59,59};

void tipar(int a){
	register int i,nr=0;
	for(i=1;i<=a;i++){
		if(x[i]==1){
			fprintf(g,"%d",i);
			nr++;
		}	
	}
	if(nr)
	 fprintf(g,"\n");
}

bool cont(int k){
	for(register int i=1;i<k;i++){
		if(x[i]==x[k])
			return false;
	}
	return true;
}

void back(int k) {
	int i;
	if (k>n){//daca s-au generat toate nivelele,adica s-a ajuns imediat dupa ultimul nivel am solutie
		tipar(k-1);
		return;
	}	
	for(i=0;i<=1;i++){
		x[k]=i;
		back(k+1);
	}
}



int main(void){
	register int i;
	
	fscanf(f,"%d",&n);
	fclose(f);
	back(1);
	fclose(g);
	return 0;
}