import java.util.*;
import java.lang.*;
import java.io.*;
class Ideone
{
{
double x, y, z;
Scanner in
= new Scanner
(System.
in); x = in.nextDouble();
y = in.nextDouble();
z = in.nextDouble();
double max = z;
if ( y > max)
{
max = y;
}
if ( x > max )
{
max = x;
}
}
}
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