Task: Program Execution
Input (English): 8957, U, X, 289, 5467, e, 8953, 1295, 8719, 6529, 7173, D, 9957, 55, 7567, k, l, 1651, Y, Z
Output (English): 8957, 21, 24, 289, 5467, 5, 8953, 1295, 8719, 6529, 7173, 4, 9957, 55, 7567, 11, 12, 1651, 25, 26