Task: Program Execution
Input (English): 19, 19, ['S', '4955', 'r', 'E', '2091', '4201', '6617', '2403', 'd', 'r', 'B', 'W', '4515', 'z', 'X', 'N', '1385', '7775', '1243', 'O', 'o', 'm']
Output (English): 1243