import java.util.Scanner;

public class test {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String str = in.nextLine();
        String[] strParts = str.split(" ");
        StringBuffer sb = new StringBuffer("abcd");
        for (int i = 0; i < strParts.length; i++) {
            if (strParts[i].equals(""))
                continue;
            boolean f = true;
            for (int j = 0; j < strParts[i].length(); j++) {
                if (strParts[i].charAt(j) == 'M' || strParts[i].charAt(j) == 'D' || strParts[i].charAt(j) == 'C' || strParts[i].charAt(j) == 'L' || strParts[i].charAt(j) == 'X' || strParts[i].charAt(j) == 'V' || strParts[i].charAt(j) == 'I')
                    sb = new StringBuffer(strParts[i]);
                else
                    f = false;

            }
            if (f) {
                int res = 0;
                if (sb.indexOf("CM") >= 0) {
                    res = res + 900;
                    sb.delete(sb.indexOf("CM"), sb.indexOf("CM") + 2);
                }
                if (sb.indexOf("CD") >= 0) {
                    res = res + 400;
                    sb.delete(sb.indexOf("CD"), sb.indexOf("CD") + 2);
                }
                if (sb.indexOf("XC") >= 0) {
                    res = res + 90;
                    sb.delete(sb.indexOf("XC"), sb.indexOf("XC") + 2);
                }
                if (sb.indexOf("XL") >= 0) {
                    res = res + 40;
                    sb.delete(sb.indexOf("XL"), sb.indexOf("XL") + 2);
                }
                if (sb.indexOf("IX") >= 0) {
                    res = res + 9;
                    sb.delete(sb.indexOf("IX"), sb.indexOf("IX") + 2);
                }
                if (sb.indexOf("IV") >= 0) {
                    res = res + 4;
                    sb.delete(sb.indexOf("IV"), sb.indexOf("IV") + 2);
                }
                for (int k = 0; k < sb.length(); k++) {
                    switch (sb.charAt(k)) {
                        case 'M':
                            res += 1000;
                            break;
                        case 'D':
                            res += 500;
                            break;
                        case 'C':
                            res += 100;
                            break;
                        case 'L':
                            res += 50;
                            break;
                        case 'X':
                            res += 10;
                            break;
                        case 'V':
                            res += 5;
                            break;
                        default:
                            res += 1;
                    }
                }
                strParts[i] = "" + res;
            }

        }
        for (int j = 0; j < strParts.length; j++) {
            System.out.print(strParts[j] + " ");
        }


    }
}