class If0 {

public static void main(String[] args) {

int x = 0;

if (x == 0) {

System.out.println(0);

}

if (x == 0) {

System.out.println(1);

} else {

System.out.println("fail");

}

if (x == 0) {

System.out.println(2);

} else if (x == 1) {

System.out.println("catastrophe");

} else if (x == 2) {

System.out.println("error");

} else {

System.out.println("disaster");

}

}

}