Task: Program Execution
Input (English): 4, 11, ['6689', 'd', 'I', '1903', '8753', 'U', '8919', 'Q', '8759', 'N', 'n', 'g', 'O', 'y', 'C', 'k', 'J', 'c', 'k', '1213', '7001', 'h', 'i', 'a', '7889']
Output (English): 1903, 8753, U, 8919, Q, 8759, N, n