Can't identify why this program isn't working

Question

#include <iostream>
using namespace std;

int main() {
int x;
cout<<"Enter age:"<<endl;
cin>>x;
int y;
cout<<"Enter marks:"<<endl;
cin>>y;
int z;
cout<<"Enter salary:"<<endl;
cin>>z;
if(x<=55 && (y>=90||z>50,000 )){
cout<<"eligible"<<endl;
}
else {
cout << "ineligible" << endl;
}
return 0;
}

Answer 1

50000 and not 50,000

Answer 2

@Xan thanks!!