Task: Program Execution
Input (English): 2453, r, i, 3731, n, H, 3171, 2655, w, 7719, t, Z, E, 1537, 6211, 5137, 7409, 2291, 1169, l, J, I
Output (English): r, i, n, H, w, t, Z, E, l, J, I, 2453, 3731, 3171, 2655, 7719, 1537, 6211, 5137, 7409, 2291, 1169