#include<stdio.h>
#define infile "permutari.in"
#define outfile "permutari.out"
#define nmax 10

int n,a[nmax],viz[nmax];

void back(int nr)
{
	int j;
	if(nr==n+1)
	{
		for(j=1;j<=n;j++)
			printf("%d ",a[j]);
		printf("\n");
	}
	else
	{
		for(j=1;j<=n;j++)
			if(!viz[j])
			{
				viz[j]=1;
				a[nr]=j;
				back(nr+1);
				viz[j]=0;
				a[nr]=0;
			}
	}
}
int main()
{
	
	freopen(infile,"r",stdin);
	freopen(outfile,"w",stdout);
	scanf("%ld",&n);
	back(1);
	fclose(stdin);
	fclose(stdout);
	return 0;
}