/* package whatever; // don't place package name! */
import java.util.*;
import java.math.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
// From http://w...content-available-to-author-only...n.com/pi/digits/100.
System.
out.
println(new BigDecimal("3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679").
divide(BigDecimal.
valueOf(2))); }
}
LyogcGFja2FnZSB3aGF0ZXZlcjsgLy8gZG9uJ3QgcGxhY2UgcGFja2FnZSBuYW1lISAqLwoKaW1wb3J0IGphdmEudXRpbC4qOwppbXBvcnQgamF2YS5tYXRoLio7CmltcG9ydCBqYXZhLmlvLio7CgovKiBOYW1lIG9mIHRoZSBjbGFzcyBoYXMgdG8gYmUgIk1haW4iIG9ubHkgaWYgdGhlIGNsYXNzIGlzIHB1YmxpYy4gKi8KY2xhc3MgSWRlb25lCnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBtYWluIChTdHJpbmdbXSBhcmdzKSB0aHJvd3MgamF2YS5sYW5nLkV4Y2VwdGlvbgoJewoJCS8vIEZyb20gaHR0cDovL3cuLi5jb250ZW50LWF2YWlsYWJsZS10by1hdXRob3Itb25seS4uLm4uY29tL3BpL2RpZ2l0cy8xMDAuCgkJU3lzdGVtLm91dC5wcmludGxuKG5ldyBCaWdEZWNpbWFsKCIzLjE0MTU5MjY1MzU4OTc5MzIzODQ2MjY0MzM4MzI3OTUwMjg4NDE5NzE2OTM5OTM3NTEwNTgyMDk3NDk0NDU5MjMwNzgxNjQwNjI4NjIwODk5ODYyODAzNDgyNTM0MjExNzA2NzkiKS5kaXZpZGUoQmlnRGVjaW1hbC52YWx1ZU9mKDIpKSk7Cgl9Cn0=