#include<stdio.h>
#define N 1001
int n,sol[N],k;
void bkt(int p);
void afisare();
int main(){
	freopen("date.in","r",stdin);
	freopen("date.out","w",stdout);
	scanf("%d%d",&n,&k);
	bkt(1);
	return 0;
}
void bkt(int p){
	if (p==k+1){
		afisare();
		return;
	}
	for(int i=1+sol[p-1];i<=n-k+p;i++){
		sol[p]=i;
		bkt(p+1);
		//v[i]=false;
	}
	//return;
}
void afisare(){
	for(int i=1;i<=n;i++)
		printf("%d ",sol[i]);
	printf("\n");
	//return;
}