Task: Program Execution
Input (English): 2473 5667 r v 7157 e c B W R O 7513 b 9397 9939 6333 159 4487 g 7617 b 5985 4637 8269 3335 D
Output (English): 1, 2, 5, 12, 14, 15, 16, 17, 18, 20, 22, 23, 24, 25