Task: Program Execution
Input (English): y, 5375, 4995, C, u, e, P, 4057, 7475, 6633, Y, 8517, 2261, j, Z, 511, u, H, 679, W, 9727, 1757, 1257, t
Output (English): 1, 4, 5, 6, 7, 11, 14, 15, 17, 18, 20, 24