Task: Program Execution
Input (English): 2, 8, ['9583', '3923', 'x', 'H', '7663', 'J', '4401', 'J', '3299', '137', '5981', 'r', 'r', 'm', '3333', '3283', '6973', 'r', '8917', 'g', '797', 'K']
Output (English): J4401J7663Hx3923