Task: Program Execution
Input (English): 4, 12, ['2853', '7823', 'i', '3739', '9259', 'M', '8335', '5171', '9553', 'G', '5851', '5213', 'f', '6283', '2021', 'y', 'k', 'w', 'B', 'H']
Output (English): 52135851G955351718335M92593739