Draw Fort

package main

import (
  "fmt"
  "strings"
)

func main() {
    var n, x int
    fmt.Scanln(&n)

    if n > 4 {
        x =  n * 2 - (n / 2 + 2) * 2
    }

    fmt.Printf("/%s\\%s/%s\\\n", strings.Repeat("^", n / 2), strings.Repeat("_", x), strings.Repeat("^", n / 2))

    for i := 0; i < n - 3; i++ {
        fmt.Printf("|%s|\n", strings.Repeat(" ", n * 2 - 2))
    }

    fmt.Printf("|%s%s%s|\n", strings.Repeat(" ", (n * 2 - (x + 2)) / 2), strings.Repeat("_", x), strings.Repeat(" ", (n * 2 - (x + 2)) / 2))

    fmt.Printf("\\%s/%s\\%s/\n", strings.Repeat("_", n / 2), strings.Repeat(" ", x), strings.Repeat("_", n / 2))
}