Task: Program Execution
Input (English): 1, 7, ['I', 'P', '3345', '8015', 'p', '9935', '559', '1681', '9801', '9441', '7069', '1115', '1737', '1813', 'Q', '1015', 'a', 'K', 'u', 'k']
Output (English): I, 1681, Q