Task: Program Execution
Input (English): 10, 13, ['1825', '127', 'R', '4589', 'v', '375', 'V', 'V', '1267', '2909', 'J', '3789', 'r', '6297', 'j', '8475', '2177', 'M', '6493']
Output (English): 2909, J, 3789, r