Interchange The Value Of 1st And 2nd

/* Interchange The Value Of 1st And 2nd  */

/* Suchetan Dey */
   
    #include<stdio.h>
    #include<conio.h>
    void main()
      {
         int a,b,c;
         printf("Enter 1st Value ");
         scanf("%d",&a);
         printf("Enter 2nd Value ");
         scanf("%d",&b);
         c=a;
         a=b;
         b=c;
         printf("The Interchange Value Is : %d %d ",a,b);
         getch();
      }

The Output is :-