package main

import (
    "fmt"
    "os"
    "os/exec"
)

func main() {
    var h, w int
    cmd := exec.Command("stty", "size")
    cmd.Stdin = os.Stdin
    d, _ := cmd.Output()
    fmt.Sscan(string(d), &h, &w)
    fmt.Println(h, w)
}