Problems
Simple expression
Simple expression
Given three real numbers x, y, z (-1018 ≤ x, y, z ≤ 1018).
Print the value of expression x + y * z.
Input
Contains three lines: the first line contains number x, the second line contains number y, the third line contains number z.
Output
Print the value of expression x + y * z.
Input example #1
1 1 1
Output example #1
2
Input example #2
1.5 1.3 2.9
Output example #2
5.27