Task: Program Execution
Input (English): 17, 19, ['5099', 'I', 'L', 'b', '4417', '3799', '8483', 'e', 'F', 'g', '4787', '1971', '5623', '4301', '3673', 'w', 'c', '7569', 'Z', '827', '227', '7145']
Output (English): c7569Z