Task: Program Execution
Input (English): 1043, 2917, u, 8921, O, 545, 315, 7209, 8749, u, e, C, F, z, 3483, R, 3503, y, w, 2759
Output (English): 1043, 2917, 21, 8921, 15, 545, 315, 7209, 8749, 21, 5, 3, 6, 26, 3483, 18, 3503, 25, 23, 2759