// Creating an interface 'Animal'
interface Animal {

	 public void eat();
	 public void travel();
}

public class MammalInt implements Animal {
	
	public void eat() {
      
		System.out.println("Mammal eats");
	}

	public void travel() {
		
		System.out.println("Mammal travels");
	} 

	public int noOfLegs() {
		
		return 0;
	}

	public static void main(String args[]) {
	
		MammalInt m = new MammalInt();
		m.eat();
		m.travel();
	}
}