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#include <fstream>
#define Dim 20
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n, lg;
int v[Dim], viz[Dim];
void afisare()
{
int i;
for(i=1;i<=lg;++i)
fout<<v[i]<<' ';
fout<<'\n';
}
void bkt(int k)
{
int i;
if(k>lg)
afisare();
else
{
for(i=v[k-1]+1;i<=n;++i)
{
if(viz[i]==0)
{
viz[i]=1;
v[k]=i;
bkt(k+1);
viz[i]=0;
}
}
}
}
int main()
{
fin>>n>>lg;
bkt(1);
return 0;
}