Program in C to print table of number input using keyboard using DO WHILE loop

Program in C to print table of number input using keyboard using do while loop

            #include <stdio.h>
            #include <conio.h>

            void main() {

                  int a, i=1,val;

                  clrscr();

                  printf("Enter number : ");

                  scanf("%d", &a);

                  do {

                        val=a*i;

                        printf("\n%d * %d = %d",a,i,val);

                        i=i+1;

                  } while(i <= 0);

                  getch();

            }