Mountain Run

package main

import "fmt"

func main() {
    var record, meters, secondPerMeter float64
    fmt.Scanln(&record)
    fmt.Scanln(&meters)
    fmt.Scanln(&secondPerMeter)

    score := meters * secondPerMeter + float64(int(meters / 50)) * 30

    if score < record {
        fmt.Printf("Yes! The new record is %.2f seconds.\n", score)
    } else {
        fmt.Printf("No! He was %.2f seconds slower.\n", score - record)
    }
}