Task: Program Execution
Input (English): 16, 16, ['R', '2481', 'Y', 'u', '943', '33', 'u', 'W', '8111', 'y', '6067', 'N', 'i', 'e', 'x', 'C', 'x', '957', '8089', 'r', '6831', '1713', 'k']
Output (English): C