#include <stdio.h>

using namespace std;
FILE *fin=fopen("combinari.in","r");
FILE *fout=fopen("combinari.out","w");
int a[20],n,m;
void afis()
{
    int i;
    for(i=1;i<=m;i++)
        fprintf(fout,"%d ",a[i]);
    fprintf(fout,"\n");
}
void combinari(int k)
{
    int i;
    if(k>m)afis();
    else
    {
        for(i=a[k-1]+1;i<=n;i++)
        {
            a[k]=i;
            combinari(k+1);
        }
    }
}
int main()
{
    fscanf(fin,"%d%d",&n,&m);
    combinari(1);
    return 0;
}