output with c#

#include 2 #include 3 4 eint main() { 5 6 int number; 7 int i; 8 9 number = 9; 10 11 for (i 10; i >=0; i--) { 12 le if(i%2==0) { 13 number = (number + i); 14 15 else { 16 number = (number - 1) * 3; 17 3 18 19 20 21 printf("%d ", number); }