String s[]= scanner.nextLine().split(" ");for(int i =0 ;i < s.length;i++){ a[i]= Integer.parseInt(s[i]);}
Scanner scanner = new Scanner(System.in); int numOfBlocks = scanner.nextInt(); int weightArray[] = new weightArray[numOfBlocks]; for(int i=0;i<numOfBlocks;i++) { weightArray[i] = scanner.nextInt(); } scanner.close(); //your logic