import java.util.ArrayList;
import java.util.Scanner;

public class MyProgram {
    public static void main(String[] args) {
        // Get five strings from the user
        ArrayList<String> inputList = getUserInput(5);

        // Try to convert each string and print the results
        ArrayList<Integer> resultList = convertStringToInt(inputList);

        // Call a function to add the integers and print the result
        addAndPrint(resultList);
    }

    // This helper method reads a specified number of strings from the user
    public static ArrayList<String> getUserInput(int numberOfInputs) {
        Scanner scanner = new Scanner(System.in);
        ArrayList<String> inputList = new ArrayList<>();

        for (int i = 0; i < numberOfInputs; i++) {
            String input = scanner.next();
            inputList.add(input);
        }

        return inputList;
    }

    // This helper method tries to convert an ArrayList of strings to an ArrayList of integers
    public static ArrayList<Integer> convertStringToInt(ArrayList<String> strList) {
        ArrayList<Integer> intList = new ArrayList<>();

        for (String str : strList)
            intList.add(Integer.parseInt(str));

        return intList;
    }

    // This helper method adds up the integers in an ArrayList and prints the result
    public static void addAndPrint(ArrayList<Integer> intList) {
        int sum = 0;

        for (int num : intList) {
            sum += num;
        }

        System.out.println(sum);
    }
}