Task: Program Execution
Input (English): I, 4521, 5479, j, 6557, C, 3207, 1867, 7257, 5181, 1795, N, N, f, 2977, i, O, L, h, t, 9961, 2501, o
Output (English): I, j, C, N, N, f, i, O, L, h, t, o