
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int count = 1;
        int a = scanner.nextInt();
        while( a > 0 ){
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        }
    }
}
 import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int count = 1;
        int a = scanner.nextInt();
        while( a > 0 ){
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        }
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int count = 1;
        int a = scanner.nextInt();
        while( a > 0 ){
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        }
    } main {
        Scanner scanner = new Scanner(System.in);

        int count = 1;
        int a = scanner.nextInt();
        while( a > 0 ){
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        }
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int count = 1; count 1 int a = scanner.nextInt(); a scanner.nextInt() scanner.nextInt scanner while( a > 0 ){
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        } a > 0 a 0 {
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        } System.out.println("Case "+count+": "+a) System.out.println System.out System System.out "Case "+count+": "+a ": " "Case "+count+": "+a "Case " count ": " a a = scanner.nextInt() a scanner.nextInt() scanner.nextInt scanner count++ count String[] args args public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int count = 1;
        int a = scanner.nextInt();
        while( a > 0 ){
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        }
    }
} public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int count = 1;
        int a = scanner.nextInt();
        while( a > 0 ){
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        }
    }
} Main

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int count = 1;
        int a = scanner.nextInt();
        while( a > 0 ){
            System.out.println("Case "+count+": "+a);
            a = scanner.nextInt();
            count++;
        }
    }
}

