Task: Program Execution
Input (English): 6871 f 3199 Y 1387 I V q 9819 9509 t 3379 U 5793 z L 4365 3457 J i E 7411 4389 i C i 4123 Y
Output (English): f, Y, I, V, q, t, U, z, L, J, i, E, i, C, i, Y