zadacha

import java.util.Scanner;

class zadacha {
    public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);

    int time1 = scan.nextInt();
    int time2 = scan.nextInt();
    int time3 = scan.nextInt();
    int collectedTime = time1+time2+time3;
    int minutes = 0;

    if(time1 < 0 || time1 > 50 ||time2 < 0 || time2 > 50 ||time3 < 0 || time3 > 50){
        System.out.println("Error, invalid time!");
        return;
    }

    if(time1 < 10){
        System.out.println("0"+time1);
    }else{
        System.out.println(time1);
    }
    if(time2 < 10){
        System.out.println("0"+time2);
    }else{
        System.out.println(time2);
    }
    if(time3 < 10){
        System.out.println("0"+time3);
    }else{
        System.out.println(time3);
    }

    while(collectedTime > 60){
        collectedTime-=60;
        minutes++;
    }
    if(collectedTime < 10){
        System.out.println(minutes+":0"+collectedTime);
    }else{
        System.out.println(minutes+":"+collectedTime);
    }
    }
}