import java.lang.*;

public class mol{
	public static void main(
		String args[]){
		new Test().doOverLoad();
		}
	}
		class Test{
			public void doOverLoad(){
				int x = 7;
				double y = 11.4;
				System.out.println(square(x) + "\n"+ square(y));
				}
				public int square(int y){
					return y*y;
					}
					public double square(double y){
					return y*y;
					}
			}