/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class animal
{
	void iam(){}
	void i(){
		System.out.println("animal");
	}
}
class human extends animal
{
	void iam(){
		System.out.println("human");
	}
}
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		animal a=new human();
		a.iam();
		a.i();
	}
}

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