Task: Program Execution
Input (English): k, 8263, h, 8921, 3993, 3807, L, 2781, 1573, 8709, 8751, 8721, 2109
Output (English): k, h, L, 8263, 8921, 3993, 3807, 2781, 1573, 8709, 8751, 8721, 2109