using stdin in golang

sample_input.go

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

var sc = bufio.NewScannner(os.Stdin)
func nextInt() int {
        sc.Scan()
        i, _ := strconv.Atoi(sc.Text())
        return i
}

func main() {
      sc.Split(bufio.ScanWords) // split by space mode
      n := nextInt()
      fmt.Println(n)
      n := nextInt()
      fmt.Println(n)
}