# include <stdio.h>
# define MAXN 5
/** Antikatastasi arnitikon stoixeion me midenika **/

int  main()
{
	double x[MAXN];
	int i;
	for(i=0;i<MAXN;i++)
	{
		printf("Dose stoixeio %d ?",i);
		scanf("%lf",&x[i]);
	}
	for(i=0;i<MAXN;i++)
	{
		if(x[i]<0) x[i]=0.0;
	}
	for(i=0;i<MAXN;i++)
	{
		printf("%8.2lf",x[i]);
	}
	printf("\n");
	return 0;
}