import java.io.*;
 
public class hipotenusa {
 
	public static void main(String args[]) throws IOException {
		BufferedReader bufEntrada = new BufferedReader(new InputStreamReader(System.in));
		double a;
		double b;
		double c;
		System.out.println("caculo de la hipotenusa");
		System.out.println("ingrese el valor del cateto opuesto");
		a = Double.parseDouble(bufEntrada.readLine());
		System.out.println("ingresar el valor del cateto adyancete");
		b = Double.parseDouble(bufEntrada.readLine());
	}
 
 
}
 
 

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