Task: Program Execution
Input (English): 527, B, 7565, u, T, 9271, 6681, u, 7949, C, 4009, I, Y, 4887, 6481, 2173, z
Output (English): 527, 2, 7565, 21, 20, 9271, 6681, 21, 7949, 3, 4009, 9, 25, 4887, 6481, 2173, 26