#include<bits/stdc++.h>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
int n,k,i,x[25],next_combination();
void read(),solve();
int main()
{
    read();
    solve();
    return 0;
}
void read()
{
    f>>n>>k;
}
void solve()
{
    for(i=1;i<=k+1;i++)
        x[i]=i;
    for(;;)
    {
        for(i=1;i<k;i++)
        g<<x[i]<<" ";
    g<<x[k]<<"\n";
        if(!next_combination())
        return;
    }
}
int next_combination()
{
    int j;
    for(j=k;j>=1;j--)
        if(x[j]-n+k-j)
        break;
    x[j]++;
    for(i=j+1;i<=n;i++)
    x[i]=x[i-1]+1;
    return j;
}