Task: Program Execution
Input (English): 9507 4937 973 Y 9697 d 5513 K F 9217 b N 4595 P 6123 h e W t 5055 k G 1699 6523 O 6291 Q 5457 3453 1901
Output (English): Y, d, K, F, b, N, P, h, e, W, t, k, G, O, Q, 9507, 4937, 973, 9697, 5513, 9217, 4595, 6123, 5055, 1699, 6523, 6291, 5457, 3453, 1901