Task: Program Execution
Input (English): 3, 4, ['d', 'k', '7391', '6473', 'u', 'R', 'E', '2141', 'D', '7087', '441', 'C', 'k', '7621', '9907', 'b', 'm', '369']
Output (English): 7391, E, 441, 9907