#include<bits/stdc++.h>
using namespace std;
ifstream in("combinari.in");
ofstream out("combinari.out");
int n,k,a[20];
void bk(int x,int y)
{
    a[y]=x;
    if(y==k)
    {
        for(x=1;x<=k;x++)
            cout<<a[x]<<" ";
        cout<<"\n";
        return;
    }
    for(x++;x+k-y-1<=n;x++)
        bk(x,y+1);
}
int main()
{
    cin>>n>>k;
    bk(0,0);
    return 0;
}