Task: Program Execution
Input (English): 24, 24, ['2153', '9521', '4045', 'u', '8185', 'c', '3907', '5341', 'F', '5923', 'Q', 'p', 'E', 'b', '3865', 'h', 'h', '3471', 'q', '1717', 'd', 'w', 'U', 'f', '8201']
Output (English): f