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