import java.util.Scanner;
public class Main{
   public static void main(String[] args){
      int a,b,c;
      Scanner scan=new Scanner(System.in);
      a=scan.nextInt();
      b=scan.nextInt()+a%100+a/100*60;
      a=b/60*100+b%60;
      if(a<100){
          System.out.print(0);
      }
      System.out.print(a);
   }
}