Task: Program Execution
Input (English): M 3219 2395 5843 M 1419 z t 9337 9213 9355 t X 7185 U W A 8821 u 5663 6801 Q 5341 3723 8623 3461 691 O
Output (English): M, M, z, t, t, X, U, W, A, u, Q, O