package main

import (
	"fmt"
	"os"
)

func main() {

	var sum float64
	var n int

	for {
		var val float64
		if _, err := fmt.Fscanln(os.Stdin, &val); err != nil {
			fmt.Println("Something went wrong!")
			break
		}

		sum += val
		n++
	}

	if n == 0 {
		fmt.Fprintln(os.Stderr, "no Values")
		os.Exit(-1)
	}
	average := sum / float64(n)
	fmt.Println("The average of the total numbers is:", average)

}