Swap+scanf

#include <stdio.h>
int main()
{
    int a, b;
    printf("Enter a integer value of A: ");
    scanf("%d",&a);
    printf("Enter a integer value of B: ");
    scanf("%d",&b);

    printf("\nThe values of A and B have been swapped: \n");

    a = a + b;
    b = a - b;
    a = a - b;
    printf("\nA = %d\nB = %d\n",a,b);
    return 0;
}