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!");
		}
	}