#include<cstdio>
int a[100],b[100],n;
void back(int k,int lung)
{
	if(k-1==lung)
		{
			for(int i=1;i<=lung;i++)
				printf("%d ",a[i]);
			printf("\n");
		}
	else
		{
			for(int i=1;i<=lung;i++)
				if(!b[i])
					{
						a[k]=i;
						b[i]=1;
						back(k+1,n);
						b[i]=0;
					}
		}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1,n);
	return 0;
}