# include <stdio.h>

int main ( )
{
  int e;
  float x;

  printf ( "Enter a number to be rewritten in scientific notation: " );
  scanf ( "%f", &x );

  printf ( "Input value is %g\n", x );
 
  e = 0;

  while ( 10.0 <= x )
  {
    x = x / 10.0;
    e = e + 1; 
  }

  while ( x < 1.0 )
  {
    x = x * 10.0;
    e = e - 1; 
  }

  printf ( "Scientific notation is %f * 10^(%d)\n", x, e );

  return 0;
}