Task: Program Execution
Input (English): 7, ['4817', 'R', '5237', '7687', 'O', '9529', 'F', 't', 'a', 'F', '5577', '2221', 'D', '1651', '9553', 'P', 'f', 'L', 'C', '131', 'M', '2783', '4859', 'E']
Output (English): 4817, R, 5237, 7687, O, 9529, F