Club

package main

import (
  "fmt"
  "bufio"
  "os"
  "strconv"
)

func main() {
    var neededSum, currentSum, income float64
    fmt.Scanln(&neededSum)

    scanner := bufio.NewScanner(os.Stdin)
    scanner.Scan()
    cocktailName := scanner.Text()

    for income < neededSum && cocktailName != "Party!" {
        scanner.Scan()
        cocktailCount, _ := strconv.Atoi(scanner.Text())
        currentSum = float64(cocktailCount) * float64(len(cocktailName))
        if int(currentSum) % 2 == 1 {
            currentSum *= 0.75
        }
        income += currentSum
        scanner.Scan()
        cocktailName = scanner.Text()
    }

    if neededSum > income {
        fmt.Printf("We need %.2f leva more.\n", neededSum - income)
    } else {
        fmt.Println("Target acquired.")
    }
    fmt.Printf("Club income - %.2f leva.\n", income)
}