#include<stdio.h>
int m,n, sol[20];
void afisare(){
	for(int i=1;i<=m;++i)
		printf("%d ", sol[i]);
	printf("\n");
}
/*
int valid(int k){
	for(int i=1; i<k; ++i)
		if(sol[i]>=sol[k])
			return 0;
	return 1;
}
*/
void back(int k){
	if(k==m+1){
		afisare();
		return;
	}
	/*
	for(int i=1;i<=n;++i){
		sol[k]=i;
		if(valid(k))
			back(k+1);
	}
	*/
	for(int i=sol[k-1]+1;i<=n;++i){
		sol[k]=i;
		back(k+1);
	}
}

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