#include <stdio.h>
main()
{
	float a,b;
	int n;

	a=0.0;
	b=0.2;
	for(n=1; n<=10000; n=n+1){
		a=a + b;
	}
	printf("a = %f  \n", a);

	a=1.00001;
	b=1.0;
	printf("sa = %g  \n", a-b);
}