Back to the roots

Johnny has a file with more integers. He wants to change each number with its square root. Can you help him?

Input

13
81
1024
72
144
51
90
2
77
25
625
4

Output

3.605551
9.0
32.0
8.485281
12.0
7.141428
9.486833
1.414214
8.774964
5.0
25.0
2.0