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Language: The Luckiest number
Description Chinese people think of '8' as the lucky digit. Bob also likes digit '8'. Moreover, Bob has his own lucky number Input The input consists of multiple test cases. Each test case contains exactly one line containing The last test case is followed by a line containing a zero. Output For each test case, print a line containing the test case number( beginning with 1) followed by a integer which is the length of Bob's luckiest number. If Bob can't construct his luckiest number, print a zero. Sample Input 8 11 16 0 Sample Output Case 1: 1 Case 2: 2 Case 3: 0 Source |

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