Type Casting in C

#include <stdio.h>
int main()
{
int a,b;
float sum;
printf("Example of Type Casting\n");
printf("Enter any integer nos:");
scanf("%d",&a,&b);
sum=a+b;
printf("Sum: %f",sum);
return 0;
}

Example of Type Casting
Enter any integer nos:Sum: 32766.000000