Movie Day

package main

import (
  "fmt"
  "math"
)

func main() {
    var movieTime, scenes, sceneTime int
    fmt.Scanln(&movieTime)
    fmt.Scanln(&scenes)
    fmt.Scanln(&sceneTime)

    totalTime := 0.15 * float64(movieTime) + float64(scenes) * float64(sceneTime)

    if totalTime >= float64(movieTime) {
        fmt.Printf("Time is up! To complete the movie you need %d minutes.", int(math.Round(totalTime - float64(movieTime))))
    } else {
        fmt.Printf("You managed to finish the movie on time! You have %d minutes left!", int(math.Round(float64(movieTime) - totalTime)))
    }
}