CharacterMultiplier*

using System;
using System.Text;

namespace CharacterMultiplier
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            string[] words = Console.ReadLine().Split();
            int sum=ReturnSum(words);
            Console.WriteLine(sum);
        }


        private static int ReturnSum(string[] words)
        {
            string shorterString = string.Empty;
            string longerString = string.Empty;
            int sum = 0;
            int minLength = Math.Min(words[0].Length, words[1].Length);
            if (minLength == words[0].Length)
            {
                shorterString = words[0];
                longerString = words[1];
            }

            else
            {
                shorterString = words[1];
                longerString = words[0];
            }

            for (int i = 0; i < shorterString.Length; i++)
            {
                sum += shorterString[i] * longerString[i];
            }

            for (int i = shorterString.Length; i < longerString.Length; i++)
            {
                sum += longerString[i];
            }

            return sum;
        }
      }
    }