package main
import (
        "bufio"
        "fmt"
        "os"
        "strconv"
        "strings"
)

func getInput() [][]string {

    var input [][]string
    scanner := bufio.NewScanner(os.Stdin)

    for scanner.Scan() {
        text := scanner.Text()
        words := strings.Split(text, " ")
        input = append(input, words)
    }

    return input
}

// 入力値が全て数値の場合
func toInt2dSlice(input [][]string) [][]int {
    var intSlice [][]int
    for _, strings := range input {
        var numbers []int
        for _, s := range strings{
            var number, _ = strconv.Atoi(s)
            numbers = append(numbers, number)
        }
        intSlice = append(intSlice, numbers)
    }
    return intSlice
}

func main() {
    input := getInput()

    /* 入力値が全て数値の場合は [][]string->[][]intするとラク
        input := toInt2dSlice(getInput())
    */

    fmt.Println(input)
    fmt.Println(input[0][0])
}