#include<stdio.h>
#include<math.h>
// use #gcc <filename,c> -lm    to compile while using math.h
int main()
{
  float k1=0,k2=0,k3=0;
  printf("Enter the values of spring constants in format : k1,k2,k3 ");
  scanf("%f,%f,%f",&k1,&k2,&k3);
  
  float temp121 = 1/(k1+k2+k1);
  float temp23 = 1/(k2+k3);
  
  float kEq = 1/(temp121 + temp23);
  
  // energy = 0.5 * k * x*x
  float x = sqrt( 1000/(0.5 * kEq) );
  
  printf("The distance x for energy 1000 is %.03f\n",x);
  return 0;
}