#include <stdio.h>

int n,a[10],b[10];

void back(int x)
{
	if (x>n)
	{
		for (int j=1; j<=n; ++j) printf("%d ",a[j]);
		printf("\n");
		return;
	}
	int i;
	for (i=1; i<=n; ++i)
	{
		if (b[i]==1) continue;
		a[x]=i;
		b[i]=1;
		back(x+1);
		b[i]=0;
	}
}

int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}