Podium Finish

Sam got his dream seat in F1 and secured a 3rd place in his debut race. He now wants to know the time gap between him and the winner of the race.

You are his chief engineer and you only know the time gap between sam and the runner up of the race, given as A seconds, and the time gap between the runner up and the winner of the race, given as B seconds.

Please calculate and inform sam about the time gap between him and the winner of the race.
        
       Input:-4
1 1
2 5
3 2
5 6
       Input Description: The first line of input will contain A single integer T, denoting The number of test cases.
-each test case consists of A single line of input containing two space-separated integers A and B denoting The time gap between sam and The runner up and The time gap between The runner up and The winner respectively. 
       Output: 2
7
5
11
       Output Description: For each test case, output The time gap between sam and The winner of The race. 
       Constraints: 1<=T<=100
1<=A,B<=10
       Explanation: Test case 1: The time gap between sam and runner up is 1 second. The time gap between runner up and the winner is 1 second. Thus, the time gap between sam and the winner is 1+1=2 seconds.

Test case 2: The time gap between sam and runner up is 2 seconds. The time gap between runner up and the winner is 5 second. Thus, the time gap between sam and the winner is 2+5=7 seconds.

Test case 3: The time gap between sam and runner up is 3 seconds. The time gap between runner up and the winner is 2 second. Thus, the time gap between sam and the winner is 3 + 2 = 5 seconds.

Test case 4: The time gap between sam and runner up is 5 seconds. The time gap between runner up and the winner is 6 second. Thus, the time gap between sam and the winner is 5 + 6 = 11 seconds.