import java.util.Scanner;
//=================================================================================================
public class SwitchStrings {
//-------------------------------------------------------------------------------------------------
    private static final Scanner keyboard = new Scanner(System.in);
//-------------------------------------------------------------------------------------------------
    public static void main(String[] args) {

        String courseCode;

        System.out.print("Enter course code : ");
        courseCode = keyboard.nextLine();

        System.out.print("The prerequisites are ");
        switch (courseCode) {
            case "CSC120":
                System.out.println("CSC115 or MTH161");
                break;
            case "CSC210":
                System.out.println("MTH161");
                break;
            case "CSC220":
                System.out.println("CSC120 and MTH108");
                break;
            case "CSC314":
                System.out.println("CSC120, coreq MTH309");
                break;
            case "CSC317":
                System.out.println("CSC220 and MTH309");
                break;
        }
    }
//-------------------------------------------------------------------------------------------------
}
//=================================================================================================