static void writeln(String txt)
		{
			int x,z = 0;
			x = txt.length();
			while(z < x)
			{
				try {
					fos.write(txt.charAt(z));
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				z++;
			}
			try {
				fos.write('\n');
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}