Task: Program Execution
Input (English): 5089, 5517, 7061, Y, W, n, Q, v, 8545, 3231, R, 4187, 8873, m, t, 8637, 4227, 917, h, 6641, c, J, w, 6661
Output (English): 4, 5, 6, 7, 8, 11, 14, 15, 19, 21, 22, 23