Task: Program Execution
Input (English): 10, ['S', 'U', '6439', '9933', 'p', '4267', 'F', 'Q', '3545', '8033', 'p', 'i', 'R', 'C', '3977', 'i', 'c', 'u', '1945', '9339', 'R', '6887', '5841', 'Y', '2115']
Output (English): S, p, R