import java.util.*;
import java.lang.*;
import java.io.*;
class Depo
{
{
int k;
Scanner in
= new Scanner
(System.
in); k=in.nextInt();
double[] t;
t= new double[k];
for(int i=0; i < k; i++ ){
t[i]=in.nextDouble();
}
for(int i=0; i < k; i++ ){
}
}
}
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