#include <iostream>
#include <cmath>
using namespace std;
 
double getL(double c, double a, double b) {    //Возвращает длину биссектрисы к стороне A при сторонах A, B, C
    double s = a + b;
    return sqrt(a * b * (s + c) * (s - c))/s;
}
 
int main() {
    double a, b, c;
    cin >> a >> b >> c;
    cout << "Длины биссектрис к сторонам A, B и C равны " << getL(a, b, c) << ", " << getL(b, a, c) << " и " << getL(c, a, b) << ".";
    return 0;
}

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