Task: Program Execution
Input (English): 1, 4, ['Y', '4507', '7175', 'O', '4015', 'F', '8803', 'K', '7301', '6561', '1517', '8277', 'k', '5997', '519', '1275', '5433', '4519', '7175', '1139', 'x', '6573', 'V', '5307']
Output (English): O57177054Y