#include <cstdio>

using namespace std;
int N,K,v[30];

void afish()
{
    for(int i = 1; i <= K; ++i)
        printf("%d ",v[i]);
    printf("\n");
}

void back(int k)
{
    for(v[k] = v[k-1] + 1; v[k] <= N - K + k ; ++v[k])
        if(k < K)
            back(k+1);
        else
            afish();
}

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

    scanf("%d%d",&N,&K);
    back(1);

    return 0;
}