itome

private fun getApplicationOrientation(): Int {
    val windowManager = getSystemService(Context.WINDOW_SERVICE) as WindowManager
    val rotation = windowManager.defaultDisplay.rotation
    return when (rotation) {
        Surface.ROTATION_0 -> 0
        Surface.ROTATION_90 -> 90
        Surface.ROTATION_180 -> 180
        Surface.ROTATION_270 -> 270
        else -> throw IllegalStateException()
    }

itome

private val cameraManager: CameraManager by lazy {
    getSystemService(Context.CAMERA_SERVICE) as CameraManager
}

private fun getCameraOrientation(cameraId: String): Int {
    val characteristic = cameraManager.getCameraCharacteristics(cameraId)
    return characteristic.get(CameraCharacteristics.SENSOR_ORIENTATION) ?: 0
}

itome

private var captureSession: CameraCaptureSession? = null

private fun createCameraPreviewSession() {
    if (cameraDevice == null) {
        return
    }
    val texture = textureView.surfaceTexture
    texture.setDefaultBufferSize(640, 480)
    val surface = Surface(texture)

itome

private var cameraDevice: CameraDevice? = null

private val cameraManager: CameraManager by lazy {
    getSystemService(Context.CAMERA_SERVICE) as CameraManager
}

private fun openCamera() {
    cameraManager.openCamera("0", object: CameraDevice.StateCallback() {
        override fun onOpened(camera: CameraDevice) {
            cameraDevice = camera

itome

private val textureView: TextureView by lazy {
    findViewById<TextureView>(R.id.texture_view)
}

override fun onResume() {
    super.onResume()

    if (textureView.isAvailable) {
        openCamera()
    } else {

itome

<?xml version="1.0" encoding="utf-8"?>
<TextureView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/texture_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

itome

a, b, c, d = map(int, input().split())

if abs(a - c) <= d or abs(a - b) <= d and abs(b - c) <= d:
    print("Yes")
else:
    print("No")