Task: Program Execution
Input (English): 1971, 1593, E, M, u, 4471, 6617, 7057, 3401, L, 7979, 2955, l, 1959, z, 2971, N, 1
Output (English): E, M, u, L, l, z, N, 1971, 1593, 4471, 6617, 7057, 3401, 7979, 2955, 1959, 2971, 1