Problem Statement

You are given a real number $X.Y$, where $Y$ is a single digit.

Print the following: (quotes for clarity)

• $X$-, if $0 \\leq Y \\leq 2$;
• $X$, if $3 \\leq Y \\leq 6$;
• $X$+, if $7 \\leq Y \\leq 9$.

Constraints

• $1 \\leq X \\leq 15$
• $0 \\leq Y \\leq 9$
• $X$ and $Y$ are integers.

Input

Input is given from Standard Input in the following format:

$X.Y$

Output

Print the answer.

Sample Input 1

15.8

Sample Output 1

15+

Here, printing 15 + will not be accepted: do not print a space between $X$ and +, or between $X$ and -.

Sample Input 2

1.0

Sample Output 2

1-

You will not get inputs such as 1.00 and 1.

Sample Input 3

12.5

Sample Output 3

12