#include<stdio.h>
int st[10],viz[10],n;

void read()
{
	scanf("%d",&n);
}

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

void back(int k)
{
	int i;
	if (k==n+1)
	{
		print();
	}
	else
	{
		for (i=1;i<=n;i++)
		{
			if (!viz[i])
			{
				viz[i]=1;
				st[k]=i;
				back(k+1);
				viz[i]=0;
			}
		}
	}
	
	
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	read();
	back(1);
	return 0;
}