Task: Program Execution
Input (English): 7, 9, ['8279', '9505', '7007', '7459', 'u', 'd', '6995', 'S', '7907', '8749', '5253', 'e', 'l', 'R', '4587', '6805', 'R', 'F', '883', 's', '6887', 'n', 'a', '4293']
Output (English): 7907S6995