import java.io.*;
class BzhunIO{
public static void main(String args[])throws IOException{
int count=0,b;
System.out.println("Please input data:");
while((char)(b=System.in.read())!='N'){
System.out.print((char)b);
	         count++;
	  }
	  System.out.println();
	  System.err.println("You have input "+count+" chars!");
}
}