Lab3 - Leap Year, see question 12 on page 297

void setup(){
 
  int display = cal_leapyear(1796);
 
}

int cal_leapyear(int years){
 
  println("That year is " +years);
 
    if((((years %4) == 0) && ((years %100) != 0)) || ((years %400 == 0)))
    {
     
      println("That year is a leap year.");
     
    }
    else
    {
     
      println("That year is not a leap year.");
     
    }
   
    return years;
}