#include<stdio.h>
#include<conio.h>
int main()
{
    float n distance,kilometer;
    float i time,hours;
    {
        printf("average speed in kilometer per hour");
        if(-1000.0 <= distance <= 1000.0)
        printf("meter per secound");
        if(0.0 <= time <= 24.00)
    }
    
}