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