import java.util.Scanner;
public class Algorithm{

    public static void main(String[] args){
        final int cost_Eu = 5;
        final int cost_Cents = 24;
        int posotita,axia = 2000;
        Scanner scanMoney =new Scanner(System.in);
        System.out.println("Eu given");
        int client_Eu = scanMoney.nextInt();
        System.out.println("Cents given");
        int client_Cents=scanMoney.nextInt();
        boolean client_isNotValid= ((client_Eu>20) ||(client_Cents>99));
        if(client_isNotValid){
            System.out.println("Error! Please try again");
        }

        else{
            int change = (client_Eu*100+client_Cents)-(cost_Eu*100+cost_Cents);

            if(change >0){
                while(axia>=1){
                    posotita = change/axia;
                    if(posotita>0){
                        System.out.print(posotita+" x ");
                        if(axia >=100)
                            System.out.println(axia/100+" euro");
                        else
                            System.out.println(axia + " cents");
                        change = change - posotita *axia;

                    }
                    axia = axia/2;
                    if(axia ==250) axia=200;
                    else if(axia==25)axia=20;
                }
            }

            else if(change == 0)
                System.out.println("Change = 0");
            else if (change <0)
                System.out.println("Error!Not enough money!");
        }



    }
}