Task: Program Execution
Input (English): 21, ['9839', '8583', 'R', '1649', 'X', '4611', '1393', 'z', 'P', '6665', '3045', 'A', 'H', 'T', 'C', '4465', 'X', 'Y', 'o', '8735', '4479', '4271', 'r', '8971', 'b', 'F', '6701', '9351', 'A', 'C', 'k', '7381', '7207', 'e', '5349', 'R', 'm', 'Z', 'A', '4697', '4289', '7473', 'G']
Output (English): 9839, 4271, G