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#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int k, n, v[19], c;
void afisare()
{
for(int i = 1; i <= k; i++)
fout << v[i] << " ";
fout << '\n';
}
void back(int poz, int i)
{
while(++i <= c + poz) {
v[poz] = i;
if(poz < k)
back(poz + 1, i);
else
afisare();
}
}
int main()
{
fin >> n >> k;
c = n - k;
back(1, 0);
return 0;
}