import java.io.*;
public class MoreX{
public static void main(String[]args){
int i=0;
byte[] c =new byte[20]; //
input to an array rather than a byte
try{
while(i != -1){
i = System.in.read(c);
// now the return type is an int saying how many bytes read
System.out.println(i);
}
}
// exit the loop with Ctrl Z which enters -1
catch(IOException io){
System.out.println("IO");
}
for(int j=0;j<c.length;j++)
// outputing to screen what was input into the array
System.out.print((char)c[j] + " " + c[j] +"\n");
}
}