import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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
	{
	 	ArrayDeque<String> lista = new ArrayDequet<String>(); 
	 			Random randomGenerator = new Random();
	 				for(int n=0; n < randomGenerator.nextInt(50);n++){
 
	 					for(int k=0; k < randomGenerator.nextInt(50);k++){
	 					lista.offer("a");
	 					System.out.print("a");
	 			}
 
	 		}
	 	}
 
	}
}
 
 
 
 

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