Task: Program Execution
Input (English): 3611, 6517, J, 5991, 3659, t, 4981, k, e, 9099, f, 7811, 3767, 2351, 847, 9265, x, 8577, 9567
Output (English): J, t, k, e, f, x, 3611, 6517, 5991, 3659, 4981, 9099, 7811, 3767, 2351, 847, 9265, 8577, 9567