Task: Program Execution
Input (English): f 3575 n 7717 9995 2333 x x 7567 5937 c e e 7429 5627 5431 2235 J 2877 7425 l P Z 2091 5801 9589 7351
Output (English): f, n, x, x, c, e, e, J, l, P, Z