import java.util.Scanner;
public class Main{
public static void main(String[] args) {
int[] X;
int n=0;
X=new int[10001];
Scanner sc = new Scanner(System.in);
for (int i = 1; ; i++) {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
}
}
} import java.util.Scanner; Scanner java.util public class Main{
public static void main(String[] args) {
int[] X;
int n=0;
X=new int[10001];
Scanner sc = new Scanner(System.in);
for (int i = 1; ; i++) {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
}
}
} Main public static void main(String[] args) {
int[] X;
int n=0;
X=new int[10001];
Scanner sc = new Scanner(System.in);
for (int i = 1; ; i++) {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
}
} main {
int[] X;
int n=0;
X=new int[10001];
Scanner sc = new Scanner(System.in);
for (int i = 1; ; i++) {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
}
} int[] X; X int n=0; n 0 X=new int[10001] X new int[10001] 10001 Scanner sc = new Scanner(System.in); sc new Scanner(System.in) for (int i = 1; ; i++) {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
} int i = 1; int i = 1; i 1 i++ i++ i {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
} {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
} int x = sc.nextInt(); x sc.nextInt() sc.nextInt sc if(x==0)break; x==0 x 0 break; System.out.println("Case "+i+": "+x) System.out.println System.out System System.out "Case "+i+": "+x ": " "Case "+i+": "+x "Case " i ": " x String[] args args public class Main{
public static void main(String[] args) {
int[] X;
int n=0;
X=new int[10001];
Scanner sc = new Scanner(System.in);
for (int i = 1; ; i++) {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
}
}
} public class Main{
public static void main(String[] args) {
int[] X;
int n=0;
X=new int[10001];
Scanner sc = new Scanner(System.in);
for (int i = 1; ; i++) {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
}
}
} Main
import java.util.Scanner;
public class Main{
public static void main(String[] args) {
int[] X;
int n=0;
X=new int[10001];
Scanner sc = new Scanner(System.in);
for (int i = 1; ; i++) {
int x = sc.nextInt();
if(x==0)break;
System.out.println("Case "+i+": "+x);
}
}
}
