#include<stdio.h>
int n,sol[101],v[101];
void back(int k)
{
	if(k>n)
	{
		for(register int i=1;i<=n;++i)
			printf("%d ",sol[i]);
		printf("\n");
	}
	else
		for(register int i=1;i<=n;++i)
		{
			
			sol[k]=i;
			if(v[sol[k]]==0)
			{
				v[sol[k]]=1;
				back(k+1);
				v[sol[k]]=0;
			}
		}
}
int main ()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}