[7단계]문자열 사용하기-5622번 다이얼

import java.util.*;
public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String S = sc.nextLine();
        int time=0;
 
        for(int i=0;i<S.length();i++){
            switch(S.charAt(i)){
                case 'A': case 'B': case 'C':
                    time+=2;
                    break;
                case 'D': case 'E': case 'F':
                    time+=3;
                    break;
                case 'G': case 'H': case 'I':
                    time+=4;
                    break;
                case 'J': case 'K': case 'L':
                    time+=5;
                    break;
                case  'M': case  'N': case  'O':
                    time+=6;
                    break;
                case 'P': case 'Q': case  'R': case 'S':
                    time+=7;
                    break;
                case  'T': case  'U': case  'V':
                    time+=8;
                    break;
                case  'W': case  'X': case  'Y': case  'Z':
                    time+=9;
                    break;
                default :
                    break;
            }   
            time+=1;
        }
        System.out.println(time);
    }
}