import java.io.*;
import java.util.StringTokenizer;

public class eksam{
 
  public static void main(String argumendid[])
  throws IOException{
    BufferedReader sisse=new BufferedReader(
      new InputStreamReader(System.in)
    );
    System.out.println("Palun number yhest kymneni:");
    String nr=sisse.readLine();
	//rooma numbrite massiiv:
	String r[]={"I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX", "X", "L", "C", "D", "M"};
    	  if(nr.equals("1")){
    	     System.out.println(r[0]);
    	  }
    	  if(nr.equals("2")){
    	     System.out.println(r[1]);
    	  }
 	  	  if(nr.equals("3")){
    	     System.out.println(r[2]);
    	  }
		  if(nr.equals("4")){
    	     System.out.println(r[3]);
    	  }
		  if(nr.equals("5")){
    	     System.out.println(r[4]);
    	  }
		  if(nr.equals("6")){
    	     System.out.println(r[5]);
    	  }
		  if(nr.equals("7")){
    	     System.out.println(r[6]);
    	  }
		  if(nr.equals("8")){
    	     System.out.println(r[7]);
    	  }
		  if(nr.equals("9")){
    	     System.out.println(r[8]);
    	  }
		  if(nr.equals("10")){
    	     System.out.println(r[9]);
    	  }
    }
}