Task: Program Execution
Input (English): 1801, q, 5101, 8863, 2309, p, 8789, 9529, 6135, 5523, f, 8889, 7639, k, 263, 5751, 5529, g, 1451, 4143, e, 6987
Output (English): e, f, g, k, p, q