Task: Program Execution
Input (English): 3811, M, c, s, 7937, D, 2669, 7135, l, 6673, 3877, s, q, C, n, 8867, 5209, J, q
Output (English): 3811, 7937, 2669, 7135, 6673, 3877, 8867, 5209