#include<iostream>
#include<math.h>
#define M_PIl          3.141592653589793238462643383279502884L /* pi */
#include <iomanip>
#include <stdio.h>
using namespace std;


struct cordonnee_polaire{
    float R, Teta;
};

struct cordonnee_cartesienne{
    float x, y;
};


cordonnee_cartesienne transforme(cordonnee_polaire a) {
    cordonnee_cartesienne c;
    c.x=a.R*cos(a.Teta);
    c.y=a.R*sin(a.Teta);
    return (c);
}



int main() {
    cordonnee_polaire c1;
    cordonnee_cartesienne c2;
    c1.R = 1;
    c1.Teta = 60*M_PIl/180; // transformer les degrés en radians
    c2= transforme(c1);
    if((c2.x)> (c2.y)){
    cout<<"x="<<setprecision(2)<<(c2.x)<<endl;
    }
    else{
    cout<<"y="<<setprecision(2)<<(c2.y)<<endl;
    }
    return 0;
}