Find the sum of all even no.’s from 0 to 100 using function recursion.

#include
int even(int n,int sum)
{
if (n%2==0)
sum = sum+n;
if (n==100)
return sum;
return even(n+1,sum);
}
main()
{
printf("sum is %d\n",even(1,0));
}