Chef and his Fruit solution|Codesheff

Chef has closed his restaurant and decided to run a fruit stand instead. His signature dish is a fruit chaat consisting of 2$2$ bananas and 1$1$ apple. He currently has X$X$ bananas and Y$Y$ apples. How many chaats can he make with the fruits he currently has?

Input Format

• The first line will contain T$T$, the number of testcases. Then the testcases follow.
• Each testcase consists of a single line containing two space separated integers - X$X$ and Y$Y$

Output Format

For each testcase, output the answer on a new line.

Constraints

• 1≤T≤100$1\le T\le 100$
• 0≤X,Y≤100$0\le X,Y\le 100$

Sample Input 1 

3
72 50
38 93
51 4

Sample Output 1 

36
19
4

Explanation

Test Case 1$1$: Chef can make 36$36$ chaats using 72$72$ bananas and 36$36$ apples.

Test Case 2$2$: Chef can make 19$19$ chaats using 38$38$ bananas and 19$19$ apples.

Test Case 3$3$: Chef can make 4$4$ chaats using 8$8$ bananas and 4$4$ apples.

Solution: 

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