{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cp\u003eA particle has initial velocity and acceleration. If its velocity after a certain time is v then what will its displacement be twice that time?\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e The input will contain two integers in each line. Each line makes one set of input. These two integers denote the value of v (\u003cspan\u003e\u003cspan\u003e−100\u003c/span\u003e\u003c/span\u003e ≤ v ≤ 100) and t (0 ≤ t ≤ 200) (t means at the time the particle gains that velocity)\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e For each line of input print a single integer in one line denoting the displacement in double of that time.\u003c/p\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cp\u003e 0 0\u003c/p\u003e \n\u003cp\u003e 5 12\u003c/p\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cp\u003e 0\u003c/p\u003e \n\u003cp\u003e 120\u003c/p\u003e"}}]}