/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
import java.text.DecimalFormat;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
System.
out.
println(df.
format(3.14159258)); System.
out.
println(df.
format(7000000000L
)); }
}
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