package main

import (
    "bufio"
    "fmt"
    "math/rand"
    "os"
    "strconv"
    "strings"
)

func main() {
    secret := rand.Intn(101)

    reader := bufio.NewReader(os.Stdin)

    fmt.Println("Guess the number!")

    for {
        fmt.Println("Please input your guess:")

        text, err := reader.ReadString('\n')
        if err != nil {
            panic(err)
        }

        guess, err := strconv.Atoi(strings.TrimRight(text, "\r\n"))
        if err != nil {
            fmt.Println("Please guess a number.")
        }

        if guess > secret {
            fmt.Println("Too big")
        } else if guess < secret {
            fmt.Println("Too small")
        } else {
            break
        }
    }

    fmt.Println("You won!")
}