import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int n = 0;
		while (true) {
			n = n + 1;
			int p = scanner.nextInt();
			int e = scanner.nextInt();
			int i = scanner.nextInt();
			int d = scanner.nextInt();

			if (p == -1 && p == -1 && p == -1 && p == -1)
				break;

			int x = 0;
			int pe = p - e;
			int pi = p - i;
			while (true) {
				x = x + 1;
				Float y = ((23 * (float) x + pe) / (float) 28);
				Float z = ((23 * (float) x + pi) / (float) 33);
				//23*x+p == 28*y+e == 33*z+i
				//y与z同时是整数，说明3个高峰同天
				if ((y.intValue() - y.floatValue()) == 0 && (z.intValue() - z.floatValue()) == 0)
					break;
			}
			int result = 23 * x + p - d;
			if(result>21252)result -= 21252;
			System.out.println("Case " + n + ": the next triple peak occurs in " + result + " days.");

		}
		scanner.close();

	}

}