#define BLYNK_TEMPLATE_ID "TMPL39NcAd4hJ"
#define BLYNK_TEMPLATE_NAME "LED Control via Cloud"
#define BLYNK_AUTH_TOKEN "deznGp7QXCGpi9YwntS2zVD6Up6hlFRW"
int state = 0;

void setup()
{
  pinMode(9, OUTPUT);
  pinMode(6, INPUT);
}

void loop()
{
  if (digitalRead(6)) {
    state = !state;
  }
  digitalWrite(9, state);
}