/* ---------------------------------------------------
   Check for special problems in assembler program

   1. Checks for   cmp not using Data Reg
   --------------------------------------------------- */

import java.util.Scanner;
import java.util.StringTokenizer;

public class Parser
{
   public static void main(String[] args)
   {
      Scanner in = new Scanner(System.in);
      String  sline, opcode, o1, o2;
      String  s;
      StringTokenizer t;
      int     lineNo = 0;

      int     index, i;

      while ( in.hasNextLine() )
      {
         sline = in.nextLine().toLowerCase().trim();
         lineNo++;

         if ( sline.length() == 0 )
	    continue;

//  	 System.out.println("Line = " + sline);

         if ( sline.charAt(0) == '*' || sline.charAt(0) == ';')
         {
//  	    System.out.println("Comment line = " + sline);
	    continue;
         }


         /* ===================================================
            1. Compare MUST use a data register
            =================================================== */
	 if ( (index = sline.indexOf("cmp")) != -1 )
	 {
	    /* -----------------------------------
	       Find a space
	       ----------------------------------- */
	    for (i = index; i < sline.length(); i++)
	    {
	       if ( sline.charAt(i) == ' ' ||
		    sline.charAt(i) == '\t' )
		  break;
	    }

	    s = sline.substring(i).trim();
//	    System.out.println(s);
	    t = new StringTokenizer(s, ",");

	    if ( t.countTokens() == 2 )
	    {
	        o1 = t.nextToken().trim();
	        o2 = t.nextToken().trim();

                boolean problem = true;

                if ( o1.charAt(0) == 'd' &&
                       (o1.charAt(1) - '0' >= 0 && o1.charAt(1) - '0' <= 7) )
                   problem = false;

                if ( o2.charAt(0) == 'd' &&
                        (o2.charAt(1) - '0' >= 0 && o2.charAt(1) - '0' <= 7) )
                   problem = false;
		if ( problem )
		{
//	           System.out.println("Problem: " + sline);
  	           System.out.println(lineNo + ": " + sline);
		   System.exit(-1);
		}
	     }
	  }





       }

       System.out.println("0");
       System.exit(0);
    }
}