#include <iostream>
#include <cmath>
using namespace std;

int main() {

    double maxValue;
    int i;
    double y;

    for (i = 1; i<=3; i++){
        y = sin((M_PI*i*5)/180);
        if (y>=maxValue) {
            maxValue = y;
        }
    }

    cout << "Biggest f(x) value = " << y;

    return 0;
}