Task: Program Execution
Input (English): 1809, 5855, A, 9401, 2179, l, L, E, Q, 8379, s, 1611, 4473, 8851, 7257, c, 627, o, q, S, J, u, 8149, 869
Output (English): A, l, L, E, Q, s, c, o, q, S, J, u