Task: Program Execution
Input (English): 1, 15, ['U', 'R', '2145', '7915', 'K', 'e', 'x', '8849', '2905', '6867', '7255', 'Y', 'i', 'N', 'y', 'A', 'T', 'L', '1061', '5457', '4267', '8975', 'C', '9899']
Output (English): y, N, i, Y, 7255, 6867, 2905, 8849, x, e, K, 7915, 2145, R, U