import java.util.*; class Problem2 { public static void main(String args[]) { Scanner sc=new Scanner(System.in); int i,j,k,l,m,n,c=0; long sum=0,prod=0; n=sc.nextInt(); long poptown[]=new long[n]; long postown[]=new long[n]; for(i=0;i=x&&postown[i]<=y) { sum+=poptown[i]; } } eff[c++]=sum; sum=0; } Arrays.sort(eff); long ex=0; for(i=0;i