Hungary released 777 foreigners convicted of migrant smuggling, it is very expensive to stay in prison

In recent weeks, Hungary has released 777 foreigners, mostly Serbian, Romanian and Ukrainian nationals, convicted of human trafficking, authorities said.
According to them, there are 2.636 people behind bars convicted of migrant trafficking, of which 808 are foreign nationals who are subject to release.
"The maintenance of foreign nationals serving sentences in Hungarian prisons costs billions of forints every year," the sentencing office said.
From there they add that those released have 72 hours to leave the territory of Hungary from the moment they are released, otherwise if they are caught by the Hungarian police, they will be sent back to prison and serve the entire sentence.