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#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,k,v[19];
void citire()
{
fin>>n>>k;
}
void afis()
{
for(int i=1;i<=k;i++)
fout<<v[i]<<' ';
fout<<'\n';
}
void bkt()
{
int d;
for(d=1;d<=k;d++)
v[d]=d;
afis();
d=k;
while(d)
{
v[d]++;
if(v[d]>n)
{
d--;
}
else
{
if(d==k)
afis();
else
{
d++;
v[d]=v[d-1];
}
}
}
}
int main()
{
citire();
bkt();
return 0;
}