#include<stdio.h>
int main()
{
    int 'Distance', 'Kilometer';
    float 'Time', 'Hours';
    {
        printf("average speed in kilometer per hour");
        if(-1000.0 <= 50.00 <= 1000.0)
        printf("meter per secound");
        if(0.0 <= 13.89 <= 24.00)
    }
    
}