Task: Program Execution
Input (English): o, b, O, 2175, Y, n, m, 6743, c, t, o, 4233, 7035, 7603, N, F, R, 7075, 2601, 991
Output (English): 2175, 6743, 4233, 7035, 7603, 7075, 2601, 991