Task: Program Execution
Input (English): 5, ['p', '791', 'B', 'K', '6173', 'b', '7293', '1033', '1159', '6867', '4465', 'L', 'b', '1531', 'Q', '9227', 'y', '5863', 't', '1577', 'U']
Output (English): p, 791, B, K, 6173