#include <stdio.h>
int main(int argc, char *argv[])
{ float x = 0.0;
  printf("1.0/0.0 = %f\n", 1.0/x);
  printf("0.0/0.0 = %f\n", 0.0/x);
  printf("1.0/0.0+1.0 = %f\n", 1.0/x+1.0);
  exit(0);
}