#include <stdio.h>
#include <string.h>

int N,K;
int sol[20];

inline void back(int k)
{
    int i;

    if(k>K)
    {
        for(i=1;i<K;i++)
            printf("%d ",sol[i]);
        printf("%d\n",sol[K]);
    }
    else
        for(i=sol[k-1]+1;i<=N;i++)
        {
            sol[k]=i;
            back(k+1);
        }
}

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

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

    memset(sol,0,sizeof(0));

    back(1);

    return 0;
}