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#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
void bkt(int x);
void afisare();
int n, k, sol[25], uz[25];
int main()
{
fin >> n >> k;
bkt(0);
return 0;
}
void bkt(int x)
{
int i;
if (x == k)
afisare();
else
{
if (x == 0)
i = 1;
else
i = sol[x-1]+1;
for (;i<=n;i++)
{
sol[x] = i;
bkt(x+1);
sol[x] = 0;
}
}
}
void afisare()
{
int i;
for (i=0;i<k;i++)
fout << sol[i] << ' ';
fout << '\n';
}