Task: Program Execution
Input (English): 1893, 285, Y, a, 8161, G, Y, 367, 3789, 1581, 5851, 3643, 7239, X, Y, 235, 459, M, 5509, 801, Z, 9337, 7407
Output (English): 3, 4, 6, 7, 14, 15, 18, 21