Task: Program Execution
Input (English): E, 2191, 741, C, 9413, t, 3471, a, K, j, 8789, d, z, V, 2975, 2587, 9263, I, C, S, 3661
Output (English): 2191, 741, 9413, 3471, 8789, 2975, 2587, 9263, 3661