#include <stdio.h>

int n,st[100],fol[100];

void back(int k) {
	if(k == n + 1 ) {
		for(int i = 1 ; i<= n ; i++ )
			printf("%d",st[i]," ");
		printf("\n");
	}
	else
		for(int i = 1; i <= n; i++)
			if(!fol[i]) {
				st[k] = i;
				fol[i] = 1;
				back(k+1);
				fol[i] = 0;
			}
}

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