#include<cstdio>
using namespace std;
int n,sol[10];
bool viz[10];
void afis(){
	int i;
	for(i=1;i<=n;i++)
		printf("%d ",sol[i]);
	printf("\n");
}
void back(int k){
	int i;
	if(n+1==k)
		afis();
	else{
		for(i=1;i<=n;i++)
			if(!viz[i]){
				sol[k]=i;
				viz[i]=1;
				back(k+1);
				viz[i]=0;
			}
	}
}
int main(){
	freopen("permutari.in","r",stdin);
	scanf("%d",&n);
	fclose(stdin);
	freopen("permutari.out","w",stdout);
	back(1);
	fclose(stdout);
	return 0;
}