#include<stdio.h>

int n,sol[9];

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

char valid(int k)
{
	for(int i=1;i<k;++i)
		if(sol[i]==sol[k])
			return 0;
	return 1;
}

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

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