#include<stdio.h>
int main()
{
    float a=50.0,b=1.0;
    float c=0;
    c=a/b;
    printf("%f%a%a\n",c ,"km/h");
    float d=5000.0,e=360.0;
    float f=0;
    f=d/e;
    printf("%f%a%a",f ,"m/s");
}