Faulty calculator

a=int(input("Enter first number"))

c=input("Enter operator")

b=int(input("Enter second number"))

if a==45 and b==3 and  c=='*':

    print("Your answer is", 555)

elif a==56 and b==9 and c=='+':

    print("Your answer is", 77)

elif a==56 and b==6 and c=='/':

    print("Your answer is", 4)

elif c=='+':

    print("Your answer is", a+b)

elif c=='-':

    print("Your answer is", a-b)

elif c=='*':

    print("Your answer is",a*b)

else :

    print("Your answer is ",a/b)