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#include <bits/stdc++.h>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
int n,v[20],k;
void afisare()
{
for (int i=1;i<=k;i++)
g<<v[i]<<" ";
g<<'\n';
}
void combinari(int p)
{
if (p==k+1)
{
afisare();
return;
}
int pnc=n-k+p;
for (int i=v[p-1]+1;i<=pnc;i++)
{
v[p]=i;
combinari(p+1);
}
}
int main()
{
f>>n>>k;
combinari(1);
return 0;
}