01. Old Books

package main

import "fmt"

func main() {
    var book, input string
    fmt.Scanln(&book)

    for counter := 0; ; counter++ {
        fmt.Scanln(&input)
        if input == book {
            fmt.Printf("You checked %d books and found it.\n", counter)
            break
        }
        if input == "NoMoreBooks" {
            fmt.Printf("The book you search is not here!\nYou checked %d books.\n", counter)
            break
        }
    }
}

ИЛИ:

package main

import "fmt"

func main() {
    var book, input string
    fmt.Scanln(&book)

    var counter = -1

    for ; input != book && input != "NoMoreBooks"; {
        fmt.Scanln(&input)
        counter++
    }

    if input == book {
        fmt.Printf("You checked %d books and found it.\n", counter)
    } else {
        fmt.Printf("The book you search is not here!\nYou checked %d books.\n", counter)
    }
}