# Input a decimal number and check ceil value is even or not using mathematical functions in C++

###### Mathematical Functions - Question 3

In this question, we will see how to input a decimal number and check if the ceil value of the number is even or not in C++ programming using the mathematical functions. To know more about mathematical functions click on the mathematical functions lesson.

**Q3)** Write a program in C++ to input a decimal number and check if the ceil value of the number is even or not.

#### Program

```
#include <iostream>
#include <conio.h>
#include <cmath>
using namespace std;
int main()
{
float a;
int x;
cout<<"Enter a decimal number ";
cin>>a;
x=ceil(a);
if(x%2==0)
{
cout<<"Even Number";
}
else
{
cout<<"Not Even Number";
}
return 0;
}
```

#### Output

Enter a decimal number 12.3 Not Even Number