package main

import (
	"bufio"
	"os"
	"runtime"
	"strings"
)

func scanLine() (line string) {
	switch runtime.GOOS {
	case "linux":
		in := bufio.NewReader(os.Stdin)
		lineNew, err := in.ReadString('\n')
		catchErr(err)
		line = strings.Trim(lineNew, "\n")

	// I hate Windows
	case "windows":
		in := bufio.NewReader(os.Stdin)
		lineNew, err := in.ReadString('\r')
		catchErr(err)
		line = strings.Trim(lineNew, "\r")
	}
	return line
}

func catchErr(err error) (errHappened bool) {
	errHappened = false
	if err != nil {
		//fmt.Println(err)
		errHappened = true
	}
	return errHappened
}