#include <stdio.h>
int speed_check(int);
int main ()

{
	int x;
	printf ("enter cars speed \n");
	scanf ("%d",&x);

	int speed_check(x);
	if (x>=100)
	printf ("very fast\n");
	else if (x>50 && x<100)
	printf("medium speed \n");
	else if (x<=50)
	printf("very slow ! \n");

	return 0;
}

int speed_check(int x){
	for (int i=1;i<=5;i++)
	{
		printf ("enter cars speed \n");
		scanf ("%d",&x);

	}
	return x;

}