long mapp()
{
	return 6249;
}


void setup() {
  Serial.begin(9600);
  int frq1 = mapp(); //<-------- doesnt match return type
	long frq2 = mapp(); //<-------- matches return type
	int duty1 = (frq1*10)/19;
	int duty2 = (frq2*10)/19;
  Serial.println(duty1);
  Serial.println(duty2);
}

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

}