Task: Program Execution
Input (English): 15, 18, ['9763', '2983', '3517', 'p', 'A', 'm', '197', '8189', '1773', 'L', '791', '8489', 'y', 'e', 'T', 'c', '189', 'N', '7175', '9287', '6509', 'a', 'j', '5697', 'd']
Output (English): N189cT