#include <stdio.h>
using namespace std;
FILE*f=fopen("combinari.in","r");
FILE*g=fopen("combinari.out","w");
int n,k,sol[20];
void bkt(int x)
{
    if (x==k+1)
    {
        for (register int i=1;i<x;i++)
            fprintf(g,"%d ",sol[i]);
        fprintf(g,"\n");
        return;
    }
    for (register int j=sol[x-1]+1;j<=n;j++)
    {
        sol[x]=j;
        bkt(x+1);
    }
}
int main()
{
    fscanf(f,"%d %d",&n,&k);
    bkt(1);
    return 0;
}