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

void loop() {
  // put your main code here, to run repeatedly:
  long int t1 = millis()/1000;
  int minutes = 0;
  // if(t1 % 60 == 0) {
  //   minutes+1;
  // }
    Serial.println(t1 % 60);
}