x^y using recursion

Program:

#include<stdio.h>
int power(int a,int b);
int main()
{
int x,y,ans;
printf("Enter x and y:\n ");
scanf("%d %d",&x,&y);
ans=power(x,y);
printf("%d^%d= %d",x,y,ans);
 return 0;
}
int power(int a,int b)
{
if(b==0)
{
return 1;
}
else
{
return a*power(a,b-1);
}
}

Output: