#include<stdio.h>
#include<ctype.h>
#include<string.h>
#define MAXLINE 100

int getline1(char s[], int lim)
{
    int i=0,c;

    while(--lim>0 && (c=getchar())!=EOF && c!='\n')
    {
        s[i++]=c;

    }
    if(c=='\n')
    {
        s[i++]=c;
    }
    s[i]='\0';

    return i;
}

int main()
{
      double sum, atop(char [] );
      char line [MAXLINE];
      int getline1(char line [], int max);


      sum=0.0;
   while(getline1(line , MAXLINE)>0)
     {
          sum=atop(line);                                  //234.67
          printf("Scientific form  of the given string  ---->>>    %g\n",sum);
          sum=0;

      }

      return 0;

}
double atop(char s [])
{
    double value ,power;

    int i=0,sign;
    for(i=0;isspace(s[i]);i++)//skip white space
    {
        ;
    }
    sign =   (s[i]=='-')? -1: 1;   //-23.67// 23*10+6=236*10+7=2367/100
    if(s[i]=='+' || s[i]=='-')
    {
        i++;
    }
    for(value=0.0; isdigit(s[i]); i++)
    {
        value=10.0 *value+(s[i]-'0');
    }
    if(s[i]=='.')
    {
        i++;
    }
    for(power=1.0; isdigit(s[i]); i++)
    {
        value=10.0 *value+(s[i]-'0');
        power*=10.00;
    }



        return sign*(value/power);
}