#include <stdio.h>
main() {
float p1, p2, p;
float cache=10000.00, remaining;
int shares=0;
float increase2=0.0, increase1,increase;
scanf("%f",&p2);
int extra_share;
scanf("%f",&p1);
increase1=(p1-p2)*100/p1;
printf("Share price   changes          Action\n\n");
printf("%.2f  ---> %f\n",p2, increase2);
printf("%.2f  ---> %f\n",p1, increase1);

while(scanf("%f",&p) !=EOF) {
	increase=(p-p1)*100/p1;
printf("%.2f  --->  %.2f", p, increase);
	if( (increase2 > 10) && (increase1 > 10)) {
	        //sell
		cache  = cache + shares * p1;
		printf("   sold cache = %.2f",  cache);
		}
	else if ( (increase2 >5) && (increase1 >5) ) {
	        // buy half
		extra_share = (int) (0.5*cache/p1);
		shares+=extra_share;
		cache = cache - extra_share*p1;
		printf("      bought 1/2   %d  shares  remaining  %.2f",extra_share, cache);
		}
	else if ( (increase2 <0) && (increase1 <0) )	{
		// buy all
		extra_share = (int) (cache/p1);
		shares+=extra_share;
		cache = cache - extra_share*p1;
		printf("       bought all   %d  shares  remaining  %.2f",extra_share, cache);
		}
	else {// do nothing
		printf("         No action   ");	
		}
		printf("\n");
	p2=p1; increase2=increase1;
	p1=p;  increase1 = increase;
	}
//display total

cache=cache+ shares*p2;
if (cache > 10000)
printf("Gain:$%.2f\n",cache-10000.00);
else
printf("Loss:$%.2f\n",10000.00-cache);

}