Chocolate Bars

Time Limit: 1 sec

 

The Problem

Mina has M chocolate bars. Both Mina and Rima got N chocolate bars. Tina got 3 times more chocolate bars than Rima. Tell me how many chocolate bars was there??

 

 

The Input

Input file contains two integer numbers M(X < 100000000) and N(Y < 100000000) 

 

The Output

Output file shows single integer value in a separate line. 

 

Sample Input

43214321 98769876

 

Sample Output

265436541

 

 

 

 

Problem Setter: Samia Safa Ahmed