Task: Program Execution
Input (English): 9, 21, ['9235', '9133', '8727', '3683', 'D', 'x', 'S', 'c', '7749', 'X', '6521', '2485', '3895', '6941', 'B', 'W', 'u', 'B', '1289', 'J', 'X']
Output (English): 7749X6521248538956941BWuB1289JX