Task: Program Execution
Input (English): 12, 14, ['2607', 'n', '9719', 'y', 'p', 't', 'P', '8813', 'I', 'p', '4309', 'C', 'f', 'J', '4123', '1997', 'S', 'k', 'k', 'B', '6565', 'W', 'L']
Output (English): JfC