#include<stdio.h>
FILE*f=fopen("permutari.in","r");
FILE*g=fopen("permutari.out","w");
int n,v[10],viz[10];
void back(int k)
{
	if(k>n)
	{
		for(int i=1;i<=n;++i)
			fprintf(g,"%d ",v[i]);
		fprintf(g,"\n");
		return ;
	}
	
	for(int i=1;i<=n;++i)
		if(!viz[i])
		{
			v[k]=i;
			viz[i]=1;
			back(k+1);
			viz[i]=0;
		}
}
int main()
{
	fscanf(f,"%d",&n);
	back(1);
	
	fclose(f);
	fclose(g);
	return 0;
}