Task: Program Execution
Input (English): 4257, 1919, A, W, 3015, 9449, N, e, g, k, 23, C, 9703, 453, 3905, j, e, k, c, 9965, Y, 9199, o
Output (English): 4257, 1919, 3015, 9449, 23, 9703, 453, 3905, 9965, 9199