Task: Program Execution
Input (English): 1, ['4541', 'B', '1907', 'F', '1049', 'A', 'g', 'G', '7015', '1291', '6357', '7683', 'e', '5335', '6707', 's', 'u', 'J', 'K', 'M', '2319', '2177', '5677', 's', '9793']
Output (English): 4541