x=int(input("enter option"))

while(x!=0):

   if(x==1):

     print("hi master rishi.... your balance is 1290000000, have a good day")

     

   elif(x==2):

     a=input("enter account no.")

     print("hi master rishi.... your balance is 1290000000,your account no. is",a)

     

   elif(x==3):

     print("you dont have any transactions")

   else:

       print("invalid choice")

   x=input("enter choiuce again,0 to exit")





