#include <cstdio>

int n,k,x[20];

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

int main(){

    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);

        scanf("%d %d",&n,&k);
        for(int i=1;i<=k;i++) x[i] = i;
    do
    {
        for(int i=1;i<=k;i++) printf("%d ",x[i]);
        printf("\n");
        next_comb(k);
    } while( x[0] == 0 );

    return 0;
}