Task: Program Execution
Input (English): 21, 27, ['G', '3149', '2797', '2783', 't', '8931', '2221', '9241', '1529', '3329', 'u', 'Z', 'G', '5079', '1331', 'A', 'd', 'z', 'G', '9529', 'X', '1765', 'w', '9657', '5275', '1489', 'O']
Output (English): O148952759657w1765X