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#include <fstream>
using namespace std;
ifstream cin("combinari.in");
ofstream cout("combinari.out");
int n,k1,x[20];
void afis()
{
for(int i=1; i<=k1; i++) cout<<x[i]<<' ';
cout<<'\n';
}
void bt(int k)
{
if(k<=k1)
{
for(int i=x[k-1]+1; i<=n-k1+k; i++)
{
x[k]=i;
bt(k+1);
}
}
else afis();
}
int main()
{
cin>>n>>k1;
bt(1);
return 0;
}