Task: Program Execution
Input (English): 7041, X, i, 8297, j, 31, C, a, W, Q, j, A, 1089, 7453, O, B, 2549, M, 5455, E, 3513, e, 923
Output (English): 7041, 8297, 31, 1089, 7453, 2549, 5455, 3513, 923