Adding Trouble

Time limit1sMemory limit1024 MB

Summary

Given three integers A, B, and C, the task is to check whether A + B equals C and print correct! or wrong! accordingly.

Level: Easy1 of 10
Topics: Math, Implementation
Solved: No attempts yet

Problem

Your friend Bob is really bad at adding numbers, and he'd like some help to make sure he's doing it correctly! Can you help Bob make sure he is adding correctly? Given 3 integers $A$ , $B$ , $C$ , make sure that $A + B = C$ , and that Bob indeed added $A$ and $B$ correctly.

Input

The input consists of a single line with 3 integers $A, B, C$ where $-10^9 \le A, B, C \le 10^9$ .

Output

Output either correct! if $A + B = C$ , or wrong! if $A + B \ne C$ .

Examples3

Example 1
Input
```
2 3 5
```
Expected output
```
correct!
```
Example 2
Input
```
1 1 3
```
Expected output
```
wrong!
```
Example 3
Input
```
-1 1 0
```
Expected output
```
correct!
```