Power Query M how use IF

Hello !

Help pls , I have visits with orders, I want to use the function in M: IF(brand = "" and summ >0 , 1, 0). 

I wrote the formula in 2 ways : 

1. How a pict 

2. if [Бренд] = "" and [Сумма] >0 then 1 else 0   

But in M return Error.