void main() {
  int a;
  a = 3;
  println("This program prints [1..5] correct.");
  if (a < 4) {
    println("1 correct");
  }
  if (a > 4) {
    println("2 not correct");
  }
  if (a > 4) {
    println("2 not correct");
  } else {
    println("2 correct");
  }
  if (a <= 3) {
    println("3 correct");
  }
  if (a == 3) {
    println("4 correct");
  }
  if (a != 4) {
    println("5 not correct");
  } else {
    println("5 correct");
  }
}