#include <stdio.h>
#define NMax 25

const char IN[]="permutari.in",OUT[]="permutari.out";

int N;
int v[NMax];
bool b[NMax];

void bkt(int x=0){
	int i;
	if (x==N){
		for (i=0;i<N;++i) printf("%d ",v[i]);printf("\n");
		return;
	}
	for (i=1;i<=N;++i) if (!b[i]){
		v[x]=i;
		b[i]=true;
		bkt(x+1);
		b[i]=false;
	}
}

int main()
{
	freopen(IN,"r",stdin);
	scanf("%d",&N);
	fclose(stdin);
	freopen(OUT,"w",stdout);
	bkt();
	fclose(stdout);
	return 0;
}