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2016-11-19 10:36:46 +00:00 · 2016-11-19 10:36:46 +00:00 · 2ec2ac57d2
commit 2ec2ac57d2
--- a/A.py
+++ b/A.py
@ -0,0 +1,3 @@
+import sys
+N = int(sys.stdin.readline())
+print(N**0.5*4)