#include <iostream>
#include <cmath>
using namespace std;
int main() { double a,x,y;
cin>>a>>x;
if(x<0)
if ((pow(x,2)+pow(cos(x*a),3)!=0)and(cos(x*a)>0))
{y=(1+pow(x,2))/(pow(x,2)+pow(cos(x*a),3));
cout<<"y="<<y<<endl;}
else
cout<<"y not found"<<endl;
else if(x=0)
{y=exp(3.2*x)+a*x;
cout<<"y="<<y<<endl;}
else
if ((5+pow(x,2)*a)>0)
{y=log(fabs(sqrt(5+pow(x,2)*a)));
cout<<"y="<<y<<endl;}
else
cout<<"y not found"<<endl;
// your code goes here
return 0;
}
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