import java.io.*;
import java.lang.Byte;
import java.util.StringTokenizer;
class TestFile
{
public static void main(String args[])
{
String InFileName;
String OutFileName;
String strLine;

try
{
InFileName=args[0];
//System.out.println(InFileName);

FileReader mdFile = new FileReader(InFileName);
BufferedReader brdFile = new BufferedReader(mdFile);

double s=0;
double x,y ;

for(int a = 0 ; a < 11 ; a++)
{
strLine= brdFile.readLine();
System.out.println(strLine);
x=Double.valueOf(strLine).doubleValue();
s=s+x;

}
y=s/11;
System.out.println(s);
System.out.println(y);

StringTokenizer tokens = new StringTokenizer( InFileName, ".t");
OutFileName = tokens.nextToken() + ".w" + tokens.nextToken();
//System.out.println(OutFileName);

File myfile=new File(OutFileName);
myfile.createNewFile();

FileWriter fos= new FileWriter(OutFileName);
String str=Double.toString(y);
fos.write("平均 : "+str);
fos.flush();
fos.close();
}

catch (Exception e)
{
}

}
}