Task: Program Execution
Input (English): 10, 12, ['171', 'B', '8967', 't', '6815', '1981', '9711', 'Y', 'a', 'f', '7375', '7163', 's', '1409', 'i', 'P', 'G', '9029', 'U', 'b', 'N', '3003', '675', '3263', 'y']
Output (English): 7163, 7375, f