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#include <fstream>
using namespace std;
ifstream cin("combinari.in");
ofstream cout("combinari.out");
int n, k;
int x[16];
void afis();
void back(int p);
int main()
{
cin >> n >> k;
back(1);
return 0;
}
void afis()
{
for (int i = 1; i <= k; i++)
cout << x[i] << ' ';
cout << '\n';
}
void back(int p)
{
for (int i = x[p - 1] + 1; i <= n; i++)
{
x[p] = i;
if (p == k) afis();
else back(p + 1);
}
}