Task: Program Execution
Input (English): 9463, 9153, 3241, 839, 303, N, q, 6197, l, 465, 3275, 6969, X, 4849, 5217, J, M, 35, 8981, K, 1645, x, 5461, X
Output (English): N, q, l, X, J, M, K, x, X, 9463, 9153, 3241, 839, 303, 6197, 465, 3275, 6969, 4849, 5217, 35, 8981, 1645, 5461