#include <stdio.h>

main()
{
	int f, g, h, i;
	double x, y, z;
	
	f = 0;
	g = 1;
	
	for(i=2; i<=10; i++){
		h = f + g;
		
		z = h;
		y = g;
		x = z / y;
		
		
		printf("F_%d=%d ratio=%f\n", i, h, x);
		
		f = g;
		g = h;
	}
	
	return(0);
}