CareerCup

Cadbury bar size of 5*3 can be distributed to 4 children.

5*4 can be distributed to 5 children.

6*3 can be distributed to 2 children.

6*4 can be distributed to 3 children. so the whole carton can be distributed among 14 children



Program output shall be 14.



Input/Output Specification: M,N,P,Q are the integer type (M,N values are the ranges for the length of cadburybar P,Q values are the ranges for breadth of Cadbury bar)

Output: Number of children who will receive cadbury bar from the carton.