Task: Program Execution
Input (English): 6999, w, 7373, 4051, a, m, 6147, T, 179, 3209, 83, J, e, 1929, E, i, 3039, M, J, 3141, k, 6173
Output (English): w, a, m, T, J, e, E, i, M, J, k