#include <fstream>

using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,m,c[40];
void afisare()
{for(int i=1;i<=m;i++)fout<<c[i]<<" ";
fout<<"\n";
}
void gencombinari(int k)
{if(k-1==m)afisare();
else for(int i=c[k-1]+1;i<=n-m+k;i++){c[k]=i;gencombinari(k+1);}
}

int main()
{
fin>>n>>m;
gencombinari(1);
    return 0;
}