MiaoWu's Function

📝 Solutions 🔵 仅限 C++

Problems Description

Given n,k and the function f(n,k) = 1^k + 2^k + ... + n^k , you're supposed to calculate it.

Input格式

<p> Multiple test cases. </p> <p> Each line contains two numbers n,k(1<=n,k<=10^9) </p>

Output格式

Output the last digit of the function f(n,k)

Sample Input 1

1 1 8 4 2 5 3 2 5 2 8 3 2 4

Sample Output 1

1 2 3 4 5 6 7

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