Task: Program Execution
Input (English): 10, 19, ['2921', 'c', 'D', 'R', '2169', '7449', '8545', 'U', 'c', '6789', 'B', 'a', 'c', '2421', 'R', '3821', 'J', 'm', 'z', '7721', 'K', '3309', 'J', 'C', 'o', 'M']
Output (English): 6789, B, a, c, 2421, R, 3821, J, m, z