#include <iostream>
using namespace std;
int main() {
cout << "Enter two numbers\n";
int a, b;
cout << "a: ";
cin >> a;
cout << "b: ";
cin >> b;
if ((a + b) % 9 == 0)
cout << "Yes\n";
else
cout << "No\n";
return 0;
}
#include <iostream>
using namespace std;
int main() {
cout << "Enter two numbers\n";
int a, b;
cout << "a: ";
cin >> a;
cout << "b: ";
cin >> b;
if ((a + b) % 9 == 0)
cout << "Yes\n";
else
cout << "No\n";
return 0;
}