#include <iostream>
#include <cmath>
#include <cstdio>
using namespace std;
int main() {
// your code here
int a,b;
int x1,y1,x2,y2;
int a1,b1,c1,a2,b2,c2;
double d1,d2,d3;
cin>>a>>b;
cin>>x1>>y1>>x2>>y2;
cin>>a1>>b1>>c1>>a2>>b2>>c2;
d1=abs(a-b);
printf("%.3f\n",d1);
d2=sqrt(pow(x1-x2,2)+pow(y1-y2,2));
printf("%.3f\n",d2);
d3=sqrt(pow(a1-a2,2)+pow(b1-b2,2)+pow(c1-c2,2));
printf("%.3f\n",d3);
return 0;
}
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