#include <stdio.h>
int st[10],n,used[10];
void back(int k)
{
	
	if(k==n+1)
	{
		for(int i=1;i<=n;++i) printf("%d ",st[i]);
		printf("\n");
	}
	else
	{
		for(st[k]=1;st[k]<=n;++st[k])
		{
			if(used[st[k]]) continue;
			used[st[k]]=1;
			back(k+1);
			used[st[k]]=0;			
		}
	}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	fclose(stdin);
	back(1);
	fclose(stdout);
	return 0;	
}