int led=7;
int led=8;
int led=9;
void setup() {
  //put your setup code hee, to run once;
  pinMode led1(OUTPUT);
  pinMode led2(OUTPUT);
  pinMode led3(OUTPUT);
  Serial.begin(96009;
}

void loop() {
  int y=analogRead(A0);
  
  Serial.println(y);
  if
}
})