#include<fstream>
using namespace std;
#define StatesMax (1<<NMax)
#define NMax (17+1)

int BestWeight[StatesMax],Loads[NMax],N,WeightMax,States;

fstream in("zebughil.in");
ofstream out("zebughil.out");

int solve()
{ int currentTruck,currentLoad,currentState,trucks;
    for(currentState=1;currentState<States;currentState++)
            BestWeight[currentState]=-1;
    BestWeight[0]=WeightMax;
    
    
    for(currentTruck=1;currentTruck<=N;currentTruck++)
    {
      for(currentState=1;currentState<States;currentState++)
      {
        if(BestWeight[currentState]!=-1) BestWeight[currentState]=WeightMax;
        
        for(currentLoad=0;(1<<currentLoad)<=currentState; currentLoad++)
         if((currentState&(1<<currentLoad))&&BestWeight[currentState&(~(1<<currentLoad))]-Loads[currentLoad]>BestWeight[currentState])
         BestWeight[currentState]=BestWeight[currentState&(~(1<<currentLoad))]-Loads[currentLoad];                                                        
      }
    
    if(BestWeight[States-1]!=-1) {trucks=currentTruck; break;}
    
    
    }
    return trucks;
}

void read()
{
     in>>N>>WeightMax;
     
     States=(1<<N);
     
     for(int i=0;i<N;i++)
     in>>Loads[i];
     
     }

int main()
{
 for(int i=1;i<=3;i++)
         {
         read();
         out<<solve()<<'\n';
                     }
                   
                      
         in.close();
         out.close();
         
         return 0;
    }