11217: a + b

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:2 Solved:0

Description

    Your task is to calculate the sum of two nembers.

Input

    Input contains an integer N in the first line,and then n lines follows;Each line contains 
two nembers.

Output


    For each group of input nembers,you should output their sum with the accuracy of two decimal digits after the point in one line ,and you must notice that there is a blank between outputs;

Sample Input Copy

1
839.08 999.91

Sample Output Copy

1838.99