The basis of Computer Science is Mathematics, and the most basic math is arithmetic. Your job is to review four basic arithmetic operations: addition, subtraction, multiplication, and division.

INPUT
The first line of input contains the number M, which is the number of test cases that follow. M lines follow. Each line contains two integers A and B. 5 <= M <= 20.

B is never 0. a and b may be positive or negative or equal. It is guaranteed that the answer will fit into the int data type of C.

OUTPUT
For every test case, output one line containing four numbers, C,D,E,F, where

C = A + B
D = A – B
E = A * B
F = A / B

For output F, print the answer with 2 decimal places and a leading zero, if needed.