Task: Program Execution
Input (English): 1, 4, ['b', 'f', 'p', 'M', '2263', '1815', 'X', 'K', 'Q', 'n', '8919', 'y', 'P', '9601', '7603', 'n', '6693']
Output (English): b, 2263, Q, P, 6693