import java.util.HashMap;
import java.util.Scanner;

public class ccc06j3 {

	public static void main(String[] args) {
		HashMap<Character, String> map = new HashMap<Character, String>();

		//		Primitive  Reference
		//		byte       Byte
		//		short      Short
		//		int        Integer
		//		long       Long
		//		double     Double
		//		float      Float
		//		char       Character
		//		boolean    Boolean

		//		key   Character
		//		value String

		//	'a'  "2"
		//  'b'  "22"
		//  'c'  "222"

		map.put('a',"2");
		map.put('b',"22");
		map.put('c',"222");
		map.put('d',"3");
		map.put('e',"33");
		map.put('f',"333");
		map.put('g',"4");
		map.put('h',"44");
		map.put('i',"444");
		map.put('j',"5");
		map.put('k',"55");
		map.put('l',"555");
		map.put('m',"6");
		map.put('n',"66");
		map.put('o',"666");
		map.put('p',"7");
		map.put('q',"77");
		map.put('r',"777");
		map.put('s',"7777");
		map.put('t',"8");
		map.put('u',"88");
		map.put('v',"888");
		map.put('w',"9");
		map.put('x',"99");
		map.put('y',"999");
		map.put('z',"9999");

		while (true) {
			//input String S
			Scanner sc = new Scanner(System.in);
			String S = sc.next();
			if (S.equals("halt")) {
				break;
			}
			//read char one by one
			char pre = ' ';
			int click = 0;
			for (int i=0; i<S.length(); i++) {
				char C = S.charAt(i);    //current char
				String code = map.get(C);    //mapping numbers
				click += code.length();
				//has pause
				if (code.charAt(0)==pre) {
					click+=2;   //add 2 second pause
				}
				pre = code.charAt(0);
			}
			System.out.println(click);
		}

		//"abca"
		//create temporary variable char pre=' ';
		//first char is a   map to "2"  "2" first char compare with pre
		//if they are equals, then add 2 second pause
		//pre = "2".charAt(0);
		//second char is b  map to "22"  "22" first char compare with pre
		//they are equal then add 2 second pause
		//pre = "22".charAt(0)
		//third char is c  map to "3"   "3" first char compare with pre
		//they are not equals, don't add anything for pause

		//"666"



	}

}