#include<stdio.h>
//Write the function prototype here
int main()
{
int flag,nterms=20;
double x,val;

//Read the value of x from the keyboard

valitanh(x,&val,nterms,&flag);

if(flag==0)
  printf("x is outside the range\n");
else
  printf("Value is %0.3lf\n",val);
return 0;
}

//Write the function valitanh here