Task: Program Execution
Input (English): 1, 21, ['R', '7765', 'Y', 'A', '7063', '8223', '8395', '1805', 'c', 'l', '5399', 'I', '5131', 't', '7157', 'F', '3001', '1589', 'd', 'X', 'U', '2741', 't', '6523', 'y', 'm']
Output (English): U, X, d, 1589, 3001, F, 7157, t, 5131, I, 5399, l, c, 1805, 8395, 8223, 7063, A, Y, 7765, R