RoboContest

A
10
B
10
C
10
D
10
E
10
F
10
G
10
H
10
I
10
J
10
K
10
L
10
M
10
N
10
O
10
P
10
Q
10
R
10
S
10
T
10
U
10
V
10
W
10
X
10
Y
10
Z
10
AA
10
AB
10
AC
10
AD
10
AE
10
AF
10
AG
10
AH
10
AI
10
AJ
10
AK
10
AL
10
AM
10
AN
10
AO
10
AP
10
AQ
10
AR
10
AS
10

Masala O

Xotira 16 MB Vaqt 1000 ms
14
Muallif: Otabek Aralov Abduxamitovich

Begin 15 (Doira diametri va radiusi)

Doiraning yuzasi S berilgan. Uning diametri d va radiusi R aniqlang.

Kiruvchi ma'lumotlar:

Yagona qatorda doiraning yuzi S kiritiladi. 1<=S<=1061<=S<=10^6

Chiquvchi ma'lumotlar:

Masala javobini 10−210^{-2} aniqlikda chiqaring.

Misollar
# input.txt output.txt
1 
10
 
3.57 1.78
2 
13
 
4.07 2.03

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