Automatically add posts in VK

you Need to implement the script automatically add them to exchange contact

there are pre-written texts – such as 50 PCs
there are pre-prepared pictures ~ 100 PCs
references ~ 10 PCs

task
in the course of the day with random intervals from 5 to 15 min do I add posts to exchange VC
1 using any text, 1 picture and 1 link
total per day we can add about 140 posts