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import java.util.Scanner;
public class FunTime {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("Enter time");
String time = scanner.nextLine();
System.out.println("Output: " + convertTime(time));
}
public static String convertTime(String time) {
if (time.contains("am") || time.contains("pm")) {
if (time.startsWith("12")) {
if (time.contains("am")) {
return String.format("%s:%s","00", time.substring(3, 5));
} else {
return String.format("%s:%s","12", time.substring(3, 5));
}
}
return String.format("%s:%s",Integer.parseInt(time.substring(0, 2)) + 12, time.substring(3, 5));
} else {
final int hour = Integer.parseInt(time.substring(0, 2));
String amOrPm = Integer.parseInt(time.substring(0, 2)) >= 12 ? "pm" : "am";
if (hour == 0 || hour > 12) {
return String.format("%02d:%s%s", Math.abs(hour - 12), time.substring(3, 5), amOrPm);
} else {
return String.format("%02d:%s%s", hour, time.substring(3, 5), amOrPm);
}
}
}
}
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