Account Balance

package main

import (
    "fmt"
    "strconv"
)

func main() {
    var input string

    sum := 0.0

    for ; ; {
        fmt.Scanln(&input)
        if input == "NoMoreMoney"{
             break
        }
        money, _ := strconv.ParseFloat(input, 64)
        if money < 0 {
            fmt.Println("Invalid operation!")
            break
        }
        sum += money
        fmt.Printf("Increase: %.2f\n", money)
     }

    fmt.Printf("Total: %.2f\n", sum)
}