I have a doubt pls help me in this?

Question

My requirement is, i have a no. Of test cases suppose T, based on that no. For each test cases i have to take two no. From user in each line. And after getting all the test cases i have to perform add operation on each case and then provide answer of each case on seperate lines.

Kindly help me to know how i can all the inputs i.e., two no. In a single line as an input.