A + B

input/Summa.java:21: error: cannot find symbol
        IO io = new IO();
        ^
  symbol:   class IO
  location: class Summa
input/Summa.java:21: error: cannot find symbol
        IO io = new IO();
                    ^
  symbol:   class IO
  location: class Summa
2 errors

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author viljampa
 */
public class Summa {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        IO io = new IO();
        int eka = io.nextInt();
        int toka = io.nextInt();
        
//	String a = io.next(); // Lukee seuraavan välein erotellun merkkijonon.
//	int b = io.nextInt(); // Lukee seuraavan välein erotellun int-kokonaisluvun.
//	long c = io.nextLong(); // Lukee seuraavan välein erotellun long-kokonaisluvun.
//	double d = io.nextDouble(); // Lukee seuraavan välein erotellun double-liukuluvun.
	
	// Toimii kuten System.out.println.
	io.println(eka + toka);
	
	io.close();
    }

    
}