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    Rightmost Digit

    Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
    Total Submission(s): 88652    Accepted Submission(s): 32699

    Problem Description
    Given a positive integer N, you should output the most right digit of N^N.

    The input contains several test cases. The first line of the input is a single integer T which is the number of test cases. T test cases follow.
    Each test case contains a single positive integer N(1<=N<=1,000,000,000).

    For each test case, you should output the rightmost digit of N^N.

    Sample Input
    2 3 4

    Sample Output
    7 6
    In the first case, 3 * 3 * 3 = 27, so the rightmost digit is 7. In the second case, 4 * 4 * 4 * 4 = 256, so the rightmost digit is 6.



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