Task: Program Execution
Input (English): 7, ['6463', '5403', '1335', '3567', 'X', '129', '1263', 'F', 'u', '5551', 'a', '8569', 'C', '5993', '1397', 'C', 'm', 'i', 'M', 'f', '1691', 'O', 'S', '379', 'k', 'I', 'k']
Output (English): 6463, 5403, 1335, 3567, X, 129, 1263