Java program using int variables to find the sum of three numbers say 15 36 and 45 and subtract the result from 100 using variables

Write a program using int variables to find the sum of three numbers say 15, 36 and 45 and subtract the result from 100 using variables.

class Demo
{
    public static void main(String arr[])
    {
        int a=15,b=36,c=45,d;
        d=100-(a+b+c);
        System.out.println("Answer="+d);
    }
}