Task: Program Execution
Input (English): s, k, U, 8653, 9483, 1247, Z, v, 7341, 4067, 1823, S, 2895, 6309, t, d, P, K, L, Y, U, y, z
Output (English): 4, 5, 6, 9, 10, 11, 13, 14