gr.java

import java.util.*;
import java.io.*;

// public class Solution
class Solution
{
	static BufferedReader br;
	static String nextIntBuffer[];
	static int nextIntBase;
	static int nextInt() throws IOException {
		return Integer.parseInt(next());
	}

	static long nextLong() throws IOException {
		return Long.parseLong(next());
	}

	static String next() throws IOException {
		if(nextIntBase>=nextIntBuffer.length) {
			nextIntBase =0;
			nextIntBuffer = br.readLine().split(" ");
		}
		return nextIntBuffer[nextIntBase++];
	}

		public static <T1 extends Comparable<T1> ,T2 extends Comparable<T2> > Pair<T1,T2> mp(T1 a,T2 b) {
		return new Pair<T1,T2>(a,b);
	}


	public static void main(String[] args) throws IOException {
		br=new BufferedReader(new InputStreamReader(System.in));
		nextIntBuffer = new String[0];
		ArrayList<Integer> G[] = (ArrayList<Integer>[])new ArrayList[10];
		int t=nextInt();
		for(int i=0;i<t;i++) {
			

		}
		System.out.println("Case #"+(t+1)+": ");
	}
}

class Pair<T1 extends Comparable<T1>, T2 extends Comparable<T2> > implements Comparable<Pair<T1,T2> > {
	  T1 a;
	  T2 b;
	  public Pair(T1 x, T2 y) {
	    a = x; b = y;
	  }
	  @Override
	  public int compareTo(Pair<T1,T2> other) {
	  	int comp1 = a.compareTo(other.a);
	  	if(comp1!=0)
	  		return comp1;
	    return b.compareTo(other.b);
	}
}