#include<cstdio>

long n,i,j,st[20],pus[20];

void back(long k){
	long i;
	if(k>n){
		for(i=1;i<=n;i++)
			printf("%ld ",st[i]);
		printf("\n");
	}
	else
		for(i=1;i<=n;i++)
			if(pus[i]==0){
				st[k]=i;
				pus[i]=1;
				back(k+1);
				pus[i]=0;
			}
}
int main(){
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%ld",&n);
	back(1);
	fclose(stdin);
	fclose(stdout);
	return 0;
}