import java.util.Scanner;
public class inputoutar
{
public static void main(String[] args)
throws NumberFormatException
{
Scanner scanner=new Scanner(System.in);
int inputInteger;
int inputInteger1;
System.out.println("请输入一个整数: ");
inputInteger=scanner.nextInt();
System.out.println("请输入一个整数: ");
inputInteger1=scanner.nextInt();
double s;
s=(inputInteger+inputInteger1)/2;
System.out.println(inputInteger+" "+inputInteger1+" "+s);
}
}