import java.util.Scanner;

public class Energy {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = scanner.nextInt();
        int digit = 0;
        int sumOdd = 0;
        int sumEven = 0;
        int length = String.valueOf(n).length();

        //calculate the sum of the even and odd numbers separately

        while (n > 0 && length <= 18) {
            digit = n % 10;
            if (digit % 2 == 0 || digit == 0) {
                sumEven += digit;
            } else if (digit % 2 == 1 || digit == 1) {
                sumOdd += digit;
            }
            n -= digit;
            n /= 10;

        }

          /*

          if (sumOdd > sumEven) {
                System.out.printf("%.0f cups of coffee", sumOdd);
            } else if (sumEven > sumOdd) {
                System.out.printf("%.0f energy drinks", sumEven);
            } else {
                System.out.printf("%.0f of both", sumEven);
            }

            */

        if (sumOdd > sumEven) {
            System.out.printf(sumOdd + " cups of coffee");
        } else if (sumEven > sumOdd) {
            System.out.printf(sumEven + " energy drinks");
        } else {
            System.out.printf(sumEven + " of both");
        }

        }
    }