Task: Program Execution
Input (English): 5, 25, ['u', '3943', '433', 'O', 'x', 'e', '4979', '3015', 'L', '7271', 'X', '9413', 'N', 'Y', '8939', '4755', 'X', '2167', '2711', '1363', '8549', 'x', 'U', '7587', 'c', '5379', '5001']
Output (English): xe49793015L7271X9413NY89394755X2167271113638549xU7587c