public static int designerPdfViewer(List<Integer> h, String word) {
    
        Map<Character,Integer> map = new HashMap<>();
        Character ch = 'a';
        for(int i=0;i<h.size();i++){
            map.put(ch, h.get(i));
            
            if(ch == 'z'){
             break;   
            }
            ch++;
        }
        
        char[] chArray = word.toCharArray();
        List<Integer> itr = new ArrayList<>();
        for(Character chr : chArray){    
            itr.add(map.get(chr));
        }
        
        int highestValue = Collections.max(itr);
        int n = itr.size();
        
        int areaOfRech = highestValue * n;
        
        return areaOfRech;

    }