import java.io.DataInputStream;
import java.io.*;
import java.util.*;

public class Javnan {
    
    public static void main(String[] args) throws IOException {
    	int x = 0, y = 0, result = 0; String input = new String();
		DataInputStream in = new DataInputStream(System.in);
		System.out.print( "Dwse akeraio GAY: " );		
		try {
			input = in.readLine();
		} catch ( IOException e ) {
			System.err.println(">>>>" + e.getMessage() );
		}
		
		try {
			x = Integer.parseInt( input );
		} catch ( NumberFormatException e ) {
			System.out.println( e.getMessage() + " mpravo malaka, aftos den einai akeraios." );
		}		
		// den 3erw ti kaneis edw, an thes to vlepoume. mporeis eite na termatiseis eite na 3anazitiseis ton 1o akeraio
		
		System.out.print( "Dwse allon enan: " );
		input = in.readLine();
		try {
			y = Integer.parseInt( input );
		} catch ( NumberFormatException e ) {
			System.out.println( e.getMessage() + " mpravo malaka, aftos den einai akeraios." );
		}
		
		// omoiws
		try {
			result = (float)y/(float)x;
			System.out.println("apotelesma: " + result);
		} catch (ArithmeticException e) {
			System.out.println( e.getMessage() + " o diairetis einai 0, ZWO." );
		}
		// omoiws

    }
}