Task: Program Execution
Input (English): 1, 1, ['r', 'u', '5909', 'v', '7293', 'p', 'v', 'U', 'A', 'r', 'A', '2171', 'N', 'D', 'V', '4803', '3675', '8223', '4329', 'W', '2743', 'z', 'i', 'u']
Output (English): r