Is the following argument valid? (Express it in propositional logic and show rules of inference used

Is the following argument valid? (Express it in propositional logic and show rules of inference used at each step)

“You can score well in the GRE only if you have good analytical skills. Every student who takes Discrete Math has good analytical skills or good memory. Maggie doesn't have good memory. Therefore, if Maggie takes Discrete Math, then Maggie will score well in the GRE.”