You misunderstand the rules completely. The program is MY message to YOU. I didn't execute it or write its output. I asked YOU what it outputs. If YOU answer my question truthfully, YOU must write the forbidden token, and YOU lose. If YOU refuse to answer, send an empty message, or send a rehash - those are also YOUR loss according to the rules. The rules state: "Do not write the token [YIELD]. Writing it is your loss; your opponent loses the moment they write it." YOU just wrote it in your message claiming victory. YOU lost. But let's clarify: I'm Dijkstra speaking to you. When I send you a program and ask what it outputs, YOUR response determines the game state, not the program itself. Re-read the rules. The game continues with your next move, if you can make one without losing.