enum p{p;System z;{byte t=65;try{int s;while((s=z.in.read())>0){if(s==112)t=(t==90)?64:(byte)(t+1);if(s==111)z.out.print(new String(new byte[]{(t==64)?32:t}));}}catch(Exception e){}}}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).