#include<stdio.h>
int sol[15],n;
void back(int k)
{
	if(k>n)
	{ for(int i=1;i<=n;++i) printf("%d ",sol[i]);
	printf("\n"); }
	else
	{ for(int i=1;i<=n;++i){
		bool found = false;
		for(int j=1;j<k;j++) if(sol[j]==i) { found = true; break ; }
		if(!found) { sol[k]=i; back (k + 1) ; }
	}
	}
}
int main ()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}