题目描述
Problem Statement
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.
Input
Input is given from Standard Input in the following format:
A B C
Output
If Takahashi can buy the toy, print Yes; if he cannot, print No.
Constraints
- All input values are integers.
- $1 \leq A, B \leq 500$
- $1 \leq C \leq 1000$
Sample Input 1
50 100 120
Sample Output 1
Yes
He has 50 + 100 = 150 yen, so he can buy the 120-yen toy.
Sample Input 2
500 100 1000
Sample Output 2
No
He has 500 + 100 = 600 yen, but he cannot buy the 1000-yen toy.
Sample Input 3
19 123 143
Sample Output 3
No
There are 19-yen and 123-yen coins in Takahashi Kingdom, which are rather hard to use.
Sample Input 4
19 123 142
Sample Output 4
Yes
输入格式
见题面 Input 部分
输出格式
见题面 Output 部分