import java.util.*;class Main{public static void main(String[]args){int s=new Scanner(System.in).nextInt();System.out.println(""+(s/3600)+":"+((s%3600)/60)+":"+(s%60));}} import java.util.*; util.* java class Main{public static void main(String[]args){int s=new Scanner(System.in).nextInt();System.out.println(""+(s/3600)+":"+((s%3600)/60)+":"+(s%60));}} Main public static void main(String[]args){int s=new Scanner(System.in).nextInt();System.out.println(""+(s/3600)+":"+((s%3600)/60)+":"+(s%60));} main {int s=new Scanner(System.in).nextInt();System.out.println(""+(s/3600)+":"+((s%3600)/60)+":"+(s%60));} int s=new Scanner(System.in).nextInt(); s new Scanner(System.in).nextInt() new Scanner(System.in).nextInt new Scanner(System.in) System.out.println(""+(s/3600)+":"+((s%3600)/60)+":"+(s%60)) System.out.println System.out System System.out ""+(s/3600)+":"+((s%3600)/60)+":"+(s%60) ":" ((s%3600)/60) ":" ""+(s/3600)+":"+((s%3600)/60)+":"+(s%60) "" (s/3600) s 3600 ":" ((s%3600)/60) (s%3600) s 3600 60 ":" (s%60) s 60 String[]args args
import java.util.*;class Main{public static void main(String[]args){int s=new Scanner(System.in).nextInt();System.out.println(""+(s/3600)+":"+((s%3600)/60)+":"+(s%60));}}