Score : 100 points
There are S sheep and W wolves.
If the number of wolves is greater than or equal to that of sheep, the wolves will attack the sheep.
If the wolves will attack the sheep, print unsafe
; otherwise, print safe
.
Input is given from Standard Input in the following format:
S W
If the wolves will attack the sheep, print unsafe
; otherwise, print safe
.
4 5
unsafe
There are four sheep and five wolves. The number of wolves is not less than that of sheep, so they will attack them.
100 2
safe
Many a sheep drive away two wolves.
10 10
unsafe