PROGRAMMING:Input three numbers from the keyboard to a, B, C, and output according to the formula value

Enter three values a, B, C in the same line, separate them with spaces, and output the value of B \ * B-4 \ * a \ * C
###Input format:
Enter three numbers on one line.
###Output format:
Output the formula value on one line.
###Input example:
Here is a set of inputs. For example:
```in
3 4 5
```
###Output example:
The corresponding output is given here. For example:
```out
-44
```







answer：If there is no answer, please comment
```
a,b,c=input().split()
print(int(b)*int(b)-4*int(a)*int(c))
```