Task: Program Execution
Input (English): x c 5083 3415 2049 G 9081 2783 U P i 3033 949 R t c 1191 V 8985 4349 O K 5237 8605 3447 u 2853 N
Output (English): 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 23, 24, 25, 27