Task: Program Execution
Input (English): 4, 12, ['1587', '5011', '8857', 'I', 'n', 'F', '711', 'Y', '9735', 'y', '1221', 'u', '2679', 'T', '6043', 'w', '6975', '2221']
Output (English): InF711Y9735y1221u