Baby formula???

So I ran out of this sample formula I got from the hospital after I had my son, in the package they gave me it also came with this “pro- sensitive” kind as well. I won’t be able to get formula until tomorrow and i was wondering if I could use the “pro- sensitive” kind until I can get more of the other kind? I know you aren’t supposed to switch up formulas too fast on babies because it can mess with their stomach. I am pumping breast milk but I’m only pumping about 1- 1/2 OZ right now until my milk comes in.