100% C Prog do ..while illustration

// program to print multiplication tables of given integers using do..while
#include <stdio.h>
void main()
{    
 int n,i,flag;
 do
 {
   printf("\n enter a integer whose multiplication table is required:");
   scanf("%d",&n);
   for(i=1;i<11;i++)
   {
     printf("\n %3d * %2d= %3d",n,i,n*i);
   }
   printf("\n enter 0 to stop, else enter other number to continue:");
   scanf("%d",&flag);
 }while(flag);
}

ఔట్పుట్  ఈ కింది విధంగా కనపడును.. 

enter a integer whose multiplication table is required:4
4 *  1=   4
   4 *  2=   8
   4 *  3=  12
   4 *  4=  16
   4 *  5=  20
   4 *  6=  24
   4 *  7=  28
   4 *  8=  32
   4 *  9=  36
   4 * 10=  40
 enter 0 to stop, else enter other number to continue:5
 enter a integer whose multiplication table is required:5
 5 *  1=   5
   5 *  2=  10
   5 *  3=  15
   5 *  4=  20
   5 *  5=  25
   5 *  6=  30
   5 *  7=  35
   5 *  8=  40
   5 *  9=  45
   5 * 10=  50
 enter 0 to stop, else enter other number to continue:0