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())

D = A + B

if( D <= C):
  print('Yes')
  
else:
  print('No')
A, B, C = map( int, input().split())

D = A + B

if( C <= D):
  print('Yes')
  
else:
  print('No')
