void setup() {
  pinMode(A0, INPUT);
  pinMode(7, OUTPUT);
  Serial.begin(9600);
  // put your setup code here, to run once:

}

void loop() {
  strt();
  // put your main code here, to run repeatedly:

}
void strt(){
  int a = analogRead(A0);
  if(a > 899){
    delay(999);
    Serial.println("1 sec");
    a = analogRead(A0);
    if(a > 899){
      delay(999);
      Serial.println("2 sec");
      a = analogRead(A0);
      if(a > 899){
        delay(999);
        Serial.println("3 sec");
        a = analogRead(A0);
        if(a > 899){
          sett();
        }
      }
    }
  }
}
void sett(){
  digitalWrite(7, HIGH);
  Serial.println(gtime());
  Serial.println(perc(223,350));
}
String gtime(){
  String gh = "ggg";
  return gh;
}
int perc(float a, float b){
  float c = a / b;
  int d = c * 100;
  return d;
}