Task: Program Execution
Input (English): 1, ['7571', '2389', '5881', 'c', 'B', '2985', 'H', '7021', 'G', '6933', 'M', 'C', 'I', 'A', '839', '6513', '953', '5871', '2859', 'y', '3825', '1111', 'u', '5211', '3273', 'd', '7593']
Output (English): 7571