Running In The Park

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine()),
                dayMinutes, totalMinutes = 0, totalCalories = 0;
        double dayDistance, totalDistance = 0;
        String distanceUnit;

        for (int i = 0; i < n; i++) {
            dayMinutes = Integer.parseInt(scanner.nextLine());
            dayDistance = Integer.parseInt(scanner.nextLine());
            distanceUnit = scanner.nextLine();
            if (distanceUnit.equals("m")) {
                dayDistance *= 0.001;
            }
            totalMinutes += dayMinutes;
            totalDistance += dayDistance;
            totalCalories += dayMinutes * 400 / 20;
        }

        System.out.printf("He ran %.2fkm for %d minutes and burned %d calories.", totalDistance, totalMinutes, totalCalories);
    }
}