import java.util.*;

class Main{

    public static void main (String args[]) {
            int m;
            int g;
            m = 1024;
        Scanner tastatura = new Scanner(System.in);
        System.out.println("Koliko megabajta? (1024MB = 1GB)");
        g = tastatura.nextInt();
        g=g/m;
        System.out.print( g + "gigabajt/a");
    }
}