#include <iostream>
#include <fstream>
#include <algorithm>
#include <cmath>
#include <string>
#include <iomanip>
using namespace std;

int main()
{
    ifstream fin ("data4.txt");
	ofstream fout ("out4.txt");
	string str,sstr;
	int sum,i,j;
	for (j=1;j<=5;j++)
	{
		fin>>str;
		sum = 0;
		for (i=0;i<str.length();i++)
		{
			if (str[i]=='M')
				sum = sum+1000;
			else if (str[i]=='D' && str[i+1]!='M')
				sum = sum+500;
			else if (str[i]=='C' && str[i+1]!='M' && str[i+1]!='D')
				sum = sum+100;
			else if (str[i]=='L' && str[i+1]!='M' && str[i+1]!='D' && str[i+1]!='C')
				sum = sum+50;
			else if (str[i]=='X' && str[i+1]!='M' && str[i+1]!='D' && str[i+1]!='C' && str[i+1]!='L')
				sum = sum+10;
			else if (str[i]=='V' && str[i+1]!='M' && str[i+1]!='D' && str[i+1]!='C' && str[i+1]!='L' && str[i+1]!='X')
				sum = sum+5;

			else if (str[i]=='D' && str[i+1]=='M')
				sum = sum-500;
			else if (str[i]=='C' && (str[i+1]=='M' || str[i+1]=='D'))
				sum = sum-100;
			else if (str[i]=='L' && (str[i+1]=='M' || str[i+1]=='D' || str[i+1]=='C'))
				sum = sum-50;
			else if (str[i]=='X' && (str[i+1]=='M' || str[i+1]=='D' || str[i+1]=='C' || str[i+1]=='L'))
				sum = sum-10;
			else if (str[i]=='V' && (str[i+1]=='M' || str[i+1]=='D' || str[i+1]=='C' || str[i+1]=='L' || str[i+1]=='X'))
				sum = sum-5;
			else
				break;
		}
		sstr = str.substr(i,str.length());
		if (sstr=="I")
			sum +=1;
		else if (sstr=="II")
			sum+=2;
		else if (sstr=="III")
			sum+=3;
		else if (sstr=="IV")
			sum+=4;
		else if (sstr=="IX")
			sum+=9;
		fout<<sum<<endl;
	}
	fin.close();
	fout.close();
	return 0;
}