package main import ( "bufio" "fmt" "os" "strconv" ) func configure(scanner *bufio.Scanner) { scanner.Split(bufio.ScanWords) scanner.Buffer(make([]byte, 2000005), 2000005) } func getNextString(scanner *bufio.Scanner) string { scanned := scanner.Scan() if !scanned { panic("scan failed") } return scanner.Text() } func getNextInt(scanner *bufio.Scanner) int { i, _ := strconv.Atoi(getNextString(scanner)) return i } func getNextInt64(scanner *bufio.Scanner) int64 { i, _ := strconv.ParseInt(getNextString(scanner), 10, 64) return i } func getNextFloat64(scanner *bufio.Scanner) float64 { i, _ := strconv.ParseFloat(getNextString(scanner), 64) return i } func main() { fp := os.Stdin wfp := os.Stdout extra := 0 if os.Getenv("I") == "IronMan" { fp, _ = os.Open(os.Getenv("END_GAME")) extra = 100 } scanner := bufio.NewScanner(fp) configure(scanner) writer := bufio.NewWriter(wfp) defer func() { r := recover() if r != nil { fmt.Fprintln(writer, r) } writer.Flush() }() solve(scanner, writer) for i := 0; i < extra; i++ { fmt.Fprintln(writer, "-----------------------------------") solve(scanner, writer) } } func solve(scanner *bufio.Scanner, writer *bufio.Writer) { s := getNextString(scanner) n := len(s) d3 := 0 d5 := 0 v3 := 1 v5 := 1 for i := n - 1; i >= 0; i-- { d3 += int(s[i]-'0') * v3 d5 += int(s[i]-'0') * v5 v3 *= 4 v5 *= 4 v3 %= 3 v5 %= 5 d3 %= 3 d5 %= 5 } if d3 == 0 && d5 == 0 { fmt.Fprintln(writer, "FizzBuzz") return } if d3 == 0 { fmt.Fprintln(writer, "Fizz") return } if d5 == 0 { fmt.Fprintln(writer, "Buzz") return } fmt.Fprintln(writer, s) }