import java.util.Scanner;
public class Java1_2
{
public static void main(String args[])
{
Scanner scan=new Scanner(System.in);
System.out.println("");
double x=scan.nextDouble();
double y=scan.nextDouble();
System.out.println(":"+(x+y)+":"+(x-y)+":"+(x*y)+":"+(x/y));
}
}
