BlueBook

Write a program that reads a real value $X$ $(-11\le X\le 11)$ and a positive integer $P$ $(2\le P\le 10)$ and then calculates and prints the value of $X^P$.

Input Specification

The first line of input will be the number of test cases, $N$ $(0\le N\le 5)$. Each of the $N$ test cases will have 2 numbers on each line.

Output Specification

All answers should be to 2 decimal places.

Sample Input

3
2.0 4
4.0 2
3.0 3

Sample Output

16.00
16.00
27.00