Task: Program Execution
Input (English): 9621, u, N, 7527, 4069, L, 8877, 6471, 9311, 7787, 3747, H, Z, 149, 5787, 175, P, B, 1865, 8949, N, k, A, 9813
Output (English): 9621, 7527, 4069, 8877, 6471, 9311, 7787, 3747, 149, 5787, 175, 1865, 8949, 9813