Task: Program Execution
Input (English): K, Q, 6709, 7527, Q, 93, c, u, 6475, u, 1439, 7789, B, 3099, z, 8649, E, S, 7719, 583, 1637, K
Output (English): 6709, 7527, 93, 6475, 1439, 7789, 3099, 8649, 7719, 583, 1637