#include <stdio.h>
int x[20],n,k,c;

void next_comb(int k){
    if(x[k]+1<=c+k){x[k]++;return;} else next_comb(k-1);
    x[k]=x[k-1]+1;
}

void comb(){
    int i;
    for(i=1;i<=k;i++){x[i]=i;printf("%d ",i);}printf("\n");
    while(x[0]==0){
        next_comb(k);
        if(x[0]!=0)return;
        for(i=1;i<=k;i++)printf("%d ",x[i]);printf("\n");
    }
}

int main(){
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
        scanf("%d%d",&n,&k); c=n-k;
        comb();
}