Task: Program Execution
Input (English): k, 8423, t, 7335, s, 9417, j, 9083, x, B, I, 1109, M, 803, F, f, N, 6909, p, l, g, 879
Output (English): 8423, 7335, 9417, 9083, 1109, 803, 6909, 879