Task: Program Execution
Input (English): 5695, 9387, 2749, r, d, 1423, g, e, 4981, 9289, w, 1291, 9999, 8921, 5261, o, j, 9603, 6601, b, 9521, m, 5571
Output (English): b, d, e, g, j, m, o, r, w