03. Vacation

package main

import "fmt"

func main() {
    var neededMoney, budget, money float64
    fmt.Scanln(&neededMoney)
    fmt.Scanln(&budget)

    var input string

    var spendDays = 0
    var saveDays = 0

    for ; budget < neededMoney && spendDays < 5; {
        fmt.Scanln(&input)
        fmt.Scanln(&money)
        if input == "spend" {
            spendDays++
            if money >= budget {
                budget = 0
            } else {
                budget -= money
            }
        } else {
            budget += money
            spendDays = 0
        }
        saveDays++
    }

    if budget < neededMoney {
        fmt.Printf("You can't save the money.\n%d\n", saveDays)
    } else {
        fmt.Printf("You saved the money for %d days.", saveDays)
    }
}