Score : 100 points
Takahashi has K 500-yen coins. (Yen is the currency of Japan.)
If these coins add up to X yen or more, print Yes
; otherwise, print No
.
Input is given from Standard Input in the following format:
K X
If the coins add up to X yen or more, print Yes
; otherwise, print No
.
2 900
Yes
Two 500-yen coins add up to 1000 yen, which is not less than X = 900 yen.
1 501
No
One 500-yen coin is worth 500 yen, which is less than X = 501 yen.
4 2000
Yes
Four 500-yen coins add up to 2000 yen, which is not less than X = 2000 yen.