#include<stdio.h>

int sol[16];
int n;

void afisare()
{
	for(int i=1;i<=n;++i)
		printf("%d ",sol[i]);
	printf("\n");
}


bool verif(int x)
{
	int i;
	for(i=1;i<x;++i)
		if(sol[x]==sol[i])
			return 0;
	
	return 1;
}

int back(int k)
{
	int i;
	
	if(k==n+1)
	{
		afisare();
		return 0;
	}
	
	for(i=1;i<=n;++i)
	{
		sol[k]=i;
		
		if(verif(k))
			back(k+1);
	}
	return 0;
}

int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	
	scanf("%d",&n);
	
	back(1);
	
	return 0;
}