// permutari.cpp : Defines the entry point for the console application.
//
#include <stdio.h>

long nr [10];
int n;
void afisare()
{
	for(int i=1;i<=n;i++)
		printf("%ld ",nr[i]);
	printf("\n");
}
int ver(int k)
{
	for(int i=1;i<k;i++)
		if(nr[i]==nr[k])
			return 0;
	return 1;
}
void back(int k)
{
	if(k==n+1)
	{
		afisare();
		return ;
	}
	for(int i=1;i<=n;i++)
	{
		nr[k]=i;
		if(ver(k))
			back(k+1);
	}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d ",&n);
	back(1);
	return 0;
}