#include <iostream>
#include <stdio.h>
using namespace std;

int n, k, t, v[19], i;
FILE* f;

int main()
{
    f = fopen("combinari.in", "r");
    fscanf(f, "%d%d", &n, &k);
    f = freopen("combinari.out", "w", f);
    
    t = 1;
    v[0] = v[1] = 0;
    while(t>0)
    {
        while(v[t] < n)
        {
            ++v[t];
            if(t == k)
            {
                for(i = 1; i<=k; ++i)
                    fprintf(f, "%d ", v[i]);
                fprintf(f, "\n");
            }
            else
            {
                ++t;
                v[t] = v[t-1];
            }
        }
        --t;
    }
    
    fclose(f);
    
    return 0;
}