#include <stdio.h>
using namespace std;
int sol[19];
int afisare(int k)
{
    for(int i = 1; i <= k; i++)
        printf("%d ",sol[i]);
    printf("\n");
}
void comb(int k, int n, int p)
{
    if(k == p+1)
        afisare(k-1);
    else
        for(int i = sol[k-1]+1; i <= n-p+k; i++) {
            sol[k] = i;
            comb(k+1, n, p);
        }
}
int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    int n, p, i;
    scanf("%d%d",&n,&p);
    comb(1,n,p);
    return 0;
}