import java.io.*;
// javac while_loop.java
public class while_loop
{
public static void main(String args[])throws IOException
{
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
String str = "";
try{
System.out.println("---While Loop---");
System.out.print("Please enter your age: ");
str = br.readLine();
int n =Integer.parseInt(str);
int i = 0;
while (i < n)
{
System.out.print("L="+ i + ",");
i++;
}
System.out.println();
}//try
catch(NumberFormatException e) { System.out.println("data was blank");}
}//end of main
}//end of clas]