Considering the pseudo code listed below 1. read x; 2. i = 0; 3. while (i < x){ 4. if ((i mod 7) = = 5){ 5. i = i + 2; 6. x = x +1; 7. print x; } 8. else i = i + 1; 9. if ((i mod 7) = = 6) 10. x = x +1; } 11. print x; Answer the following three questions: (1) Draw the control flow graph of this program (10 points)