Task: Program Execution
Input (English): 3, 3, ['5603', '1377', '6131', 'l', '6277', '2509', 'i', '1407', 'j', 'Y', '4065', '5651', 'E', '3111', 's', 'u', '3367', '5293', '4785']
Output (English): 6131, 2509, j, 5651, s, 5293