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#include <fstream>
using namespace std;
ifstream cin("combinari.in");
ofstream cout("combinari.out");
int n,v[10],m;
bool viz[10];
void afisare()
{
for(int i=1;i<=m;i++)
cout<<v[i]<<" ";
cout<<"\n";
}
void back (int k)
{
if(k>m)
afisare();
else
{
for(int i=v[k-1]+1;i<=n-m+k;i++)
if(viz[i]==0)
{
v[k]=i;
back(k+1);
}
}
}
int main()
{
cin>>n>>m;
back(1);
return 0;
}