Task: Program Execution
Input (English): 2, 21, ['757', 'I', '3453', '793', '8153', '2601', '4013', 'W', '2601', 'f', 'T', '4129', '8415', 'c', '6425', '6859', 'Z', 'g', '5457', '7573', 'x', 'd', '3639', '5601', '4401', '1259', '1073', '1037']
Output (English): x37577545gZ95865246c51489214Tf1062W3104106235183973543I