编程题：The hypotenuse of a right triangle

Input the two right sides(a and b)of a right triangle, and then output the length of its hypotenuse(c).
Rright triangle: $$a^{2}+b^{2}=c^{2}$$

### Input Specification:
Enter an integer in each of the two lines to represent the two right sides of a right triangle.

### Output Specification:

Output the corresponding hypotenuse side length in one line, keeping 2 decimal places.

### Sample Input #1:

in
3
4


### Sample Output #1:

out
5.00

### Sample Input #2:

in
6
6


### Sample Output #2:

out
8.49











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