101650: [AtCoder]ABC165 A - We Love Golf
Memory Limit:256 MB
Time Limit:2 S
Judge Style:Text Compare
Creator:
Submit:0
Solved:0
Description
Score: $100$ points
Problem Statement
Takahashi the Jumbo will practice golf.
His objective is to get a carry distance that is a multiple of $K$, while he can only make a carry distance of between $A$ and $B$ (inclusive).
If he can achieve the objective, print OK
; if he cannot, print NG
.
Constraints
- All values in input are integers.
- $1 \leq A \leq B \leq 1000$
- $1 \leq K \leq 1000$
Input
Input is given from Standard Input in the following format:
$K$ $A$ $B$
Output
If he can achieve the objective, print OK
; if he cannot, print NG
.
Sample Input 1
7 500 600
Sample Output 1
OK
Among the multiples of $7$, for example, $567$ lies between $500$ and $600$.
Sample Input 2
4 5 7
Sample Output 2
NG
No multiple of $4$ lies between $5$ and $7$.
Sample Input 3
1 11 11
Sample Output 3
OK