Task: Program Execution
Input (English): 2, 13, ['R', 'y', '4055', '537', '777', '9287', '9121', '533', '4187', '3293', '3569', 'G', '5761', 'f', 'b', '1595', '9059', 'f', '1911', '5855', '8129']
Output (English): 5761G356932934187533912192877775374055y