#include <iostream>
using namespace std;
int main(){
double x,y,z;
cin>>x;
cin>>y;
z=(x+y)/(y+1)-(x*y-12)/(34+x);
cout<<z;
cin.get();
cin.get();
}<span>
</span>
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double a = -0.5, b = 1.7, t = 0.44;
// для желающих ввод: cin >> a >> b >> t;
double y, s;
y = exp(-b*t)*sin(a*t+b)-sqrt((abs(b*t-a)));
s = b*sin((a*t*t*cos(a*t))-1);
cout << "y=" << y << ", s=" << s << endl;
return 0;
}