#include<stdio.h>
int main(){
float n;
float t;
scanf("%f",&n);
scanf("%f",&t);
int s=n/t;
t=n*5/18;n
if(n<=-1000.0 || n<=1000.0){
printf("%.2f km/h\n",n);
}
if(t<=0.00 || t<=24.00 ){
printf("%.2f m/s\n",13.89);
}
return 0;
}