Write a program to find out the sum of two numbers use of two Argument in c

#include
#include
int add(int,int);
void main()
{
int x,y,sum;
clrscr();
add(x,y);
printf("Enter two numbers:\n");
scanf("%d%d",&x,&y);
sum=add(x,y);
printf("The sum of two numbers is: %d",sum);
getch();
}
int add(int a,int b)
{
int c;
c=a+b;
return c;
}


OUTPUT
Enter two numbers :
5
18
The sum of two numbers is : 23