Task: Program Execution
Input (English): 16, 17, ['y', '5061', 'f', '4331', 'r', 'h', 'X', '9881', '8251', 'm', 'F', 'Q', 'Z', '7971', 'Y', 'U', 'b', 's', '787', '6345', '8897', 'F', 'x', 'x', 'n', '4877', 'g', 'h', '7375']
Output (English): Ub