#include <stdio.h>

int main() {
  float f = 1.0;
  double d = 1.0;
  int i=0;
  do {
    printf("%d: float: %g; double: %lg\n", i, f, d);
    f *= 0.1;
    d *= 0.1;
	i++;
  } while((f!=0.0) || (d!=0.0));
  return 0;
}