Task: Program Execution
Input (English): 4, 2, ['6939', '4969', 'l', 't', '3421', 'J', 'J', '647', 'x', 'i', 'p', '9787', '9615', 'X', 'R', 'G', 'A', 'a', '2431', 'T', '7379', '8713']
Output (English): t, J, 647, i, 9787, X, G, a, T, 8713