text: #include <iostream>
  #include <string>
  
  using namespace std;
  
  int convert(char c) {
      switch (c) {
          case 'I':
              return 1;
          case 'V':
              return 5;
          case 'X':
              return 10;
          case 'L':
              return 50;
          case 'C':
              return 100;
          case 'D':
              return 500;
          case 'M':
              return 1000;
          default:
              return 0;
      }
  }
  
  int main() {
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
      cout.tie(NULL);
  
      int N;
      cin >> N;
  
      while(N--) {
          string str;
          cin >> str;
  
          int result = 0;
  
          for(int i = 0; i < str.length(); i++) {
              int v = convert(str[i]);
              int next = convert(str[i + 1]);
              if(i != str.length() - 1 && v < next) {
                  result -= v;
              } else {
                  result += v;
              }
          }
  
          cout << result << "\n";
      }
  
      return 0;
  }