#include<stdio.h>

#define N 9

int n,sol[N];

char marc[N];

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

void back(int k)
{
	if(k==n+1)
	{
		afisare();
		return;
	}
	for(int i=1;i<=n;++i)
		if(marc[i]==0)
		{
			marc[i]=1;
			sol[k]=i;
			back(k+1);
			marc[i]=0;
		}
}

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