1.1

#include <iostream>
#include <math.h>
using namespace std;


int X,Y;
double B;
int main() {

    cout << "Введите X Y";
    cin >> X >>  Y;
    if (X>0) 
    {
        B = X + ((Y)/(cos(X)-(X/3)));
        cout <<B;
    }
    else
    {
        cout<<"\nErorr";
    }
    return 0;
}