static int reps = 10;
void setup() {
  Serial.begin(9600);
}
 
void sport(int reps, const char* exercise) {
  for (int i = reps; i > 0; i--){
    Serial.print("Time to move! Do ");
    Serial.print(i);
    Serial.print(" ");
    Serial.println(exercise);
    delay(1000);
  }
 
}
 
void loop() {
  sport(reps, "jumping-jacks");
  delay(5000);
}