package main

import "fmt"
import "os"
import "strconv"

const HOLE = 0
const BOARD_SIZE = 16

type Space int8
type Board [BOARD_SIZE]Space

func read_board_from_strings(in []string) (*Board, error) {
	if len(in) != BOARD_SIZE {
		return nil, fmt.Errorf("Please provide %d values", BOARD_SIZE)
	}
	var b Board
	for i, s := range in {
		num, err := strconv.Atoi(s)
		b[i] = Space(num)
		if err != nil {
			return nil, err
		}
	}
	return &b, nil
}

func main() {
	start, err := read_board_from_strings(os.Args[1:])
	if err != nil {
		panic(err)
	}
	fmt.Println(start)
}