void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(18, INPUT);
  pinMode(19, INPUT);
}
  

void loop() {
if(digitalRead(18)==HIGH){
  for(int x =10; x >=1;x--)
  {Serial.println(x);
  delay(500);}
}
if(digitalRead(19)==HIGH){
  for(int z = 1; z <=10; z++)
  {Serial.println(z);
  delay(500);}
}
}