Task: Program Execution
Input (English): 1073, 6915, 2347, x, 5903, 8993, 1721, 8221, O, 2889, o, 7179, e, 1877, 4851, 9749, K, 9297, 5309, A, 2829, 4915, 1501
Output (English): 1073, 6915, 2347, 24, 5903, 8993, 1721, 8221, 15, 2889, 15, 7179, 5, 1877, 4851, 9749, 11, 9297, 5309, 1, 2829, 4915, 1501