Task: Program Execution
Input (English): J, 8897, 7315, f, 4463, m, 5481, 9761, 103, A, 1745, Y, 4665, z, s, N, o, U, 851, 7473, 4569, a, x, j
Output (English): J, f, m, A, Y, z, s, N, o, U, a, x, j