Task: Program Execution
Input (English): 2225, Y, X, e, 8365, y, 6883, x, M, 1285, 7119, 5445, 7561, 3863, b, 5977, o, 5503, 375, 3191, 543, 6253, 7171
Output (English): Y, X, e, y, x, M, b, o, 2225, 8365, 6883, 1285, 7119, 5445, 7561, 3863, 5977, 5503, 375, 3191, 543, 6253, 7171