Swapping of two numbers using third variable

//Swapping of two numbers using third variable.

#include<stdio.h>
#include<conio.h>

void main()
{
  int a,b,c;
  clrscr();
  printf("Enter the value of a:");
  scanf("%d",&a);
  printf("Enter the value of b:");
  scanf("%d",&b);
  printf("After swapping:\n");
  c=a;
  a=b;
  b=c;
  printf("a=%d and b=%d",a,b);
  getch();
}

Output:

Enter the value of a:52
Enter the value of b:32
a=32 and b=52