Task: Program Execution
Input (English): 3, 7, ['2379', 't', 'Z', 'B', '8599', '7161', '9043', '6919', '3599', 't', '3429', 'X', 'b', 'h', '2519', '8341', 'x', 'u', '5183']
Output (English): Z, B, 8599, 7161, 9043