Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)
Total Submission(s): 612 Accepted Submission(s): 310
Problem Description
Teacher Mai has an integer x.
He does the following operations k times. In the ith operation, x becomes the least integer no less than x, which is the multiple of i.
He wants to know what is the number x now.
Input
There are multiple test cases, terminated by a line “0 0”.
For each test case, the only one line contains two integers x,k(1<=x<=10^10, 1<=k<=10^10).
Output
For each test case, output one line “Case #k: x”, where k is the case number counting from 1.
Sample Input
2520 10 2520 20 0 0
Sample Output
Case #1: 2520 Case #2: 2600
Source
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