Task: Program Execution
Input (English): 4657, 15, N, 1847, 1463, 8747, w, 1507, X, f, n, 423, 3401, L, 9793, U, c, C, u, b, t
Output (English): N, w, X, f, n, L, U, c, C, u, b, t, 4657, 15, 1847, 1463, 8747, 1507, 423, 3401, 9793