void main()
          {
            int a ;
            clrscr();
            printf("Enter any integer number=");
            scanf("%d",&a);
            
            if(a==10)
              {
                 printf("a is equal to 10");
              }

                   else if(a==50)
                          {
                            printf("a is equal to 50");
                   
                          }
                             
                   else if(a==100)
                        {
                          
                          printf("a is equal to 100" );
   
                         }
                   else
                    {

                       printf("a is not equal to 10 or 50 or 100");

                    }
                   getch();
        }


   output :
              Enter any integer number=5
      
              a is not equal to 10 or 50 or 100


                  or
       
              Enter any  integer number=50

              a is equal to 50