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#include <fstream>
using namespace std;
int c[100], n, k;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
void afisare(int p)
{
for(int i=1; i<=p; i++)
fout<<c[i]<<" ";
fout<<'\n';
}
void back(int p)
{
for(int pval=c[p-1]+1; pval<=n; pval++)
{
c[p]=pval;
if(p==k) afisare(p);
else
back(p+1);
}
}
int main()
{
fin>>n>>k;
back(1);
return 0;
}