Christmas Tree

package main

import "fmt"

func main(){
    var n int
    fmt.Scanln(&n)
    for i := 0; i <=n ; i++ {
        for j := n - i; j > 0; j-- {
            fmt.Print(" ");
        }
        for k := 1; k <= i; k++ {
            fmt.Print("*");
        }
        fmt.Print(" | ");
        for l := 1; l <= i; l++ {
            fmt.Print("*");
        }
        fmt.Println("");
    }
}