Task: Program Execution
Input (English): v, i, 7629, 2831, Y, 2475, i, 8769, m, h, p, 8541, l, V, 4681, 7743, 1059, 6429, b, z, s
Output (English): 3, 4, 6, 8, 12, 15, 16, 17, 18