Task: Program Execution
Input (English): 1819, F, A, i, K, x, 1471, 7597, c, 8749, Y, Z, L, q, U, 8125, u, b
Output (English): 1819, 6, 1, 9, 11, 24, 1471, 7597, 3, 8749, 25, 26, 12, 17, 21, 8125, 21, 2