Task: Program Execution
Input (English): 1, 18, ['Y', 'i', '2313', 'N', '6757', 'X', 'n', 'o', '7553', 'Y', 'X', '4997', '4009', '8873', '7163', '727', 'j', '8749', 'q', '8733', '7083', 'M', 'l', '4167', 'X', '619']
Output (English): 9478j7273617378890047994XY3557onX7576N3132iY