Task: Program Execution
Input (English): 5, 13, ['e', 'R', 'n', 'L', 'r', 'B', '251', 'I', '3773', 'M', 'M', '819', '7349', '7553', 'u', '7093', '8863', '7505', '9543', '8411', '9857', '4359', '6611', 'r', '1137', '2619']
Output (English): r, 7505