An elementary school student Takahashi has come to a variety store.  He has two coins, A-yen and B-yen coins (yen is the currency of Japan), and wants to buy a toy that costs C yen. Can he buy it?  Note that he lives in Takahashi Kingdom, and may have coins that do not exist in Japan.
a, b, c = map(int, input().split()) 
print("YES" if a+b>c else "NO")

a, b, c = map(int, input().split()) 
print("Yes" if a+b>=c else "No")