import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.Random;
 
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
	for(int i=0; i<20000; i++){
		int y = 3;
		int k = 3;
		int u = 3;
		Random a = new Random();
        int ch = a.nextInt(19);
        Random b = new Random();
        int ju = b.nextInt(21);
        Random c = new Random();
        int jo = c.nextInt(27);
        Random d = new Random();
        int r = d.nextInt(2);
 
         while(u==3){
       if(ch ==  0|| ch == 2 || ch == 3 ||ch == 5 || ch ==6 || ch == 7 || ch == 9
       || ch == 11 || ch == 12||ch == 14|| ch == 15|| ch == 16|| ch == 18){
			   u=2;
			}
	   else
	      ch = a.nextInt(19);
       }
       while(k==3){
       if(jo ==  0 ||jo ==  1 || jo == 4 || jo == 8 ||jo == 16 || jo == 21){
			   k=2;
			}
	   else
	      jo = c.nextInt(27);
       }
 
 
 
       while(y==3){
       if(ju ==  0 ||  ju == 4 ||ju == 8 || ju == 13 || ju == 18 || ju ==20){
       	 y=2;
       	 if(ju == 18 ){
       	 	switch(ch){
       	 		case 2:
       	 		   jo= 4;
       	 		   break;
       	 		case 11:
				   jo= 4;
					break;
			 default:
			       jo =0;
				   break;
       	 	}
       	 }
       	 if(ju == 20){
       	  switch(ch){
       	  	 case 0 :
       	  		jo = 16;
       	  			   break;
       	  	 case 9 :
       	  	 	jo = 16;
       	  	 		   break;
       	  	 case 11 : 
       	  	 jo = 16;
       	  	 	   break;
       	  	 case 12 :
       	  	 jo = 16;
       	  	 	   break;
       	  	 case 14 :
       	  	 jo = 16;
       	  	 	   break;
       	  	 case 16 :
       	  	 jo = 16;
       	  	 	   break;
       	  	 case 18 :
       	  	 jo = 16;
       	  	 	   break;
       	  	 default:
       	  	 jo=0;	   
       	  	 	   break;
 
       	  }
       	 	}
 
 
       }
 
	   else {
		    ju = b.nextInt(21);
	   }
 
       }
 
        if(r==1){
        	jo = 0;
        }
 
 
			char unicode =(char)(ch*588+ju*28+jo + 0xAC00);
			System.out.print(unicode);
		}
	}
}