#include <iostream>
using namespace std;
int main()
{
    int n;
    cin >> n;
    if (n % 2 == 0){
        cout << "QWER";
    }
    else if (n % 3 == 0){
       cout << "WERQ";
    }
    else if (n % 5 == 0){
       cout << "ERQW";
    }
    else{
       cout << "RQWE";
    }
    return 0;
}