#include <stdio.h>
int n,k,st[10], ok[10];
int back (int k)
{
	int i;
	if (k==n+1)
	{
		for (i=1; i<=n; i++) printf("%d ", st[i]);
		printf("\n");
	}
	else
		for (i=1; i<=n; i++)
			if (ok[i]==0)
			{
				st[k]=i;
				ok[i]=1;
				back(k+1);
				ok[i]=0;
			}
}

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