#include<stdio.h>

int n,ok[10],a[10];

void bk(int);

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

void bk(int x)
{
	int i;
	
	if(x==n)
	{
		for(i=1;i<=n;i++)
			printf("%d ",a[i]);
		printf("\n");
	}
	else
	{
		for(i=1;i<=n;i++)
			if(!ok[i])
			{
				ok[i]=1;
				a[x+1]=i;
				bk(x+1);
				ok[i]=0;
			}
	}
}