Task: Program Execution
Input (English): 5, 20, ['9173', '3507', '2425', 'W', '3421', '3607', '4709', '8397', '2783', '7513', 'W', '2345', 'Z', '3143', '7629', 'G', 'x', '8471', '269', '1805', '4319', 'L', 'f']
Output (English): 54092