Beer and chips

package main

import (
  "fmt"
  "math"
)

func main() {
    var name string
    fmt.Scanln(&name)

    var budget float64
    fmt.Scanln(&budget)

    var beers, chips int
    fmt.Scanln(&beers)
    fmt.Scanln(&chips)

    beerPrice := float64(beers) * 1.20
    chipsPrice := float64(chips) * beerPrice * 0.45
    sum := beerPrice + math.Ceil(chipsPrice)

    if budget < sum {
        fmt.Printf("%s needs %.2f more leva!\n", name, sum - budget)
    } else {
        fmt.Printf("%s bought a snack and has %.2f leva left.\n", name, budget - sum)
    }
}