In an examination 10,000 students appeared. The result revealed the number of students who have:

Passed in all five subjects = 5583

Passed in three subjects only = 1400

Passed in two subjects only = 1200

Passed in one subject only 735

Failed in English only = 75

Failed in Physics only = 145

Failed in Chemistry only = 140

Failed in Mathematics only = 200

Failed in Bio-science only = 157

The number of students passed in at least four subjects is: