Task: Program Execution
Input (English): u, 9899, 6955, 2853, S, A, P, k, C, 7285, 911, X, 3451, x, I, m, I, h, B, 9391, 9373, 263
Output (English): 9899, 6955, 2853, 7285, 911, 3451, 9391, 9373, 263