Task: Program Execution
Input (English): 7, 11, ['9139', '9301', '3371', '7269', 'F', '7503', 'o', '3065', 'x', '8381', 'f', '9299', '6219', '1331', '7557', '789', '7503', '9427', 'y', 'z', '2419', '751']
Output (English): o3065x8381f