#include <iostream>

 #include <stdio.h>

 #include <string.h>

 #define READ() freopen("in.txt", "r", stdin);

 using namespace std;

 int Map(char ch)

 {

     int n;

     switch(ch)

     {

         case 'I': n = ;break;

         case 'V': n = ;break;

         case 'X': n = ; break;

         case 'L': n = ; break;

         case 'C': n = ; break;

         case 'D': n = ; break;

         case 'M': n = ; break;

         default : n = ;break;

     }

     return n;

 }

 int main()

 {

     int T;

     char in[];

     scanf("%d", &T);

     getchar();

     while (T--)

     {

         gets(in);

         int ans = ;

         int len = strlen(in);

         char pre, nxt;

         for (int i = ; i < len; i++)

         {

             pre = in[i];

             if(i < len-) nxt = in[i+];

             else nxt = ' ';

             if (Map(pre) >= Map(nxt)) ans+= Map(pre);

             else ans -= Map(pre);

         }

         printf("%d\n", ans);

     }

     return ;

 }