#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#include <string.h>

int main()
{
	int s,m,c;
	float sv,wv;
	char ls_fn[80],x3_fn[98]; //,x2_fn[98]		
	FILE *x3_ptr,*ls_ptr;   //*x2_ptr,	

	sprintf(ls_fn,"../c13uncrtn_R73stn2x.txt");
	if ((ls_ptr=fopen(ls_fn, "w")) == NULL)
		{ printf("\n Unable to open  listing file,  exitting program ...\n\n");
			  exit(0);
		}

	sprintf(x3_fn,"../c13uncrtn_R73stn.txt");
	if ((x3_ptr=fopen(x3_fn, "r")) == NULL)
		{ printf("\n Unable to open  stdev file,  exitting program ...\n\n");
			  exit(0);
		}
//	for (s=1;s<=73;s++)
		for (m=1;m<=3066;m++)
		{
		  fscanf(x3_ptr,"%f\n",&sv);
		  wv=sv*2;
		  fprintf(ls_ptr,"%f\n",wv);
		}
	fclose(x3_ptr);
	fclose(ls_ptr);

return 1;
}