Is it okay to walk after breast and cheek augmentation?

I'm 22 5'8" 135 pounds and had 700cc implants yesterday. I am very very anal about surgeries and take the most caution when it comes to the healing process. I had the breast implants placed under the muscle and used malar/submalar implants in the cheeks. My first question is, wether it's ok to just go for very slow walks, and second question which is kind of random is that, what cup size should I expect, considering I had very close to a flat chest prior to the augmentation Thank you