a=float(input("enter a value"))
b=float(input("enter b value"))
c=a+b
print("add",c)
c=a-b
print("sub",c)
c=a*b
print("multi",c)
c=a/b
print("div",c)
c=a%b
print("mod",c)
c=a**b
print("exp",c)
c=a//b
print("double div",c)
