Task: Program Execution
Input (English): 17, 21, ['9765', '9027', 'D', '7189', 'f', '6897', 'U', 't', '9913', 'u', '8113', 'o', '903', '4569', 'h', 'E', '7203', '4233', 'F', '9123', 'p']
Output (English): p3219F33243027