1051. Biker's Trip Odomete

#include <iostream>
#include <stdio.h>
using namespace std;
int main(){

double diameter;
int revlotions;
double time;
double distance;
double MPH;
int N=1;

while(1)
{
cin >> diameter >> revlotions >> time;
if(revlotions == 0)
break;
distance = diameter/12/5280*3.1415927*revlotions;
MPH = distance/(time/60/60);
cout <<"Trip #"<<N<<":"<<" ";
printf("%.2f",distance);
cout <<" ";
printf("%.2f",MPH);
cout<<'\n';
N++;
}

return 0;
}