package Warmup; import java.util.Scanner; /* * @author -- rajatgoyal715 */ public class TimeConversion { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String s = sc.nextLine(); String sub=""; int num = Integer.parseInt(s.substring(0,2)); if(s.charAt(8)=='P'){ num = num + 12; sub = ((num==24)?"12":num) + s.substring(2,8); } else{ if(num==12) sub = "00" + s.substring(2,8); else sub = s.substring(0,8); } System.out.print(sub); } }