void main()
      {
        int a,b,i=1;
         clrscr();
         printf("\n enter any number=");
          scanf("%d",a);
  
           while(i<=10)
            {
               b=a*i;
               printf("\n %d",b);
                i++;
             }

         getch();

       }


      output :
            enter any number=5
			5
			10
			15
			20
			25
			30
			35
			40
			45
			50