package j1;

public class ReadWrite {
    public static void main(String[] args){
	byte[] buff = new byte[1024];
	while (true) {
	    try {
		int n = System.in.read(buff);
		System.out.write(buff, 0, n);
		System.out.println("文字数は "+n);
		if (n==1) break; // Enter(改行)だけだと終了
	    }
	    catch(Exception e){
		System.exit(1);
	    }
	}
    }
}