#include <bits/stdc++.h>
using namespace std;
 
int main(){
  string roma[12]={"I","II","III","IIII","V","VI","VII","VIII","IX","X","XI","XII"};
  string S;
  int H;
  cin>>S>>H;
  int i;
  for(i=0;i<12;i++){
      if(roma[i]==S){
          i+=H;
          break;
      }
  }
  cout<<roma[i]<<endl;
}