Task: Program Execution
Input (English): 13, 18, ['p', '4721', '4709', 's', 's', 'X', '1469', 'I', 'U', '2927', 'o', '6773', 'T', 'F', '6783', '3961', '4975', '3221', 'b', 'y', '3791', '2087', 'c']
Output (English): 1223579416933876FT