Task: Program Execution
Input (English): Z, 7527, S, 2243, 441, V, 3035, F, 7781, X, 2543, k, F, 2461, 2873, k, 2547, T, S, j, f, 4259, 4507
Output (English): 7527, 2243, 441, 3035, 7781, 2543, 2461, 2873, 2547, 4259, 4507