#include <stdio.h>  

int main(void)
{
  double x=1.2345e-2,y=1.2345e-256;

  printf("10.3\n");
  printf("%10.3a\n",x);
  printf("%10.3e\n",x);
  printf("%10.3f\n",x);
  printf("%10.3g\n",x);
  printf("%10.3a\n",y);
  printf("%10.3e\n",y);
  printf("%10.3f\n",y);
  printf("%10.3g\n",y);

  printf("-10.3\n");
  printf("%-10.3a\n",x);
  printf("%-10.3e\n",x);
  printf("%-10.3f\n",x);
  printf("%-10.3g\n",x);
  printf("%-10.3a\n",y);
  printf("%-10.3e\n",y);
  printf("%-10.3f\n",y);
  printf("%-10.3g\n",y);
  return 0;
}