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#include <fstream>
#define DIM 20
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int N,sol[DIM],K;
void afisare(){
for(int i=1;i<=K;i++)
fout<<sol[i]<<" ";
fout<<"\n";
}
void back(int k){
if(k==K+1){
afisare();
return;
}
for(int i=sol[k-1]+1;i<=N;i++){
sol[k]=i;
back(k+1);
}
}
int main(){
fin>>N>>K;
back(1);
fin.close();fout.close();
return 0;
}