#include <bits/stdc++.h>

using namespace std;

uint64_t MD = 100000000;

int main()
{
#ifdef AT_MY_PC
    freopen("input.txt", "r", stdin);
#endif
    ios::sync_with_stdio(0);
    cin.tie(nullptr);

    uint64_t m = 4294967296, n;
    cin >> n;
    uint64_t x, y;
    cin >> x >> y;
    vector<uint64_t> tst = {y};
    uint64_t t1 = ceil(1.0*x*m / MD), t2 = (x+1)*m / MD;
    for(uint64_t i = 0; i < n-1; ++i)
    {
        uint64_t tmp1, tmp2;
        cin >> tmp1 >> tmp2;
        tst.push_back(tmp1);
        tst.push_back(tmp2);
    }
    for(uint64_t i = t1; i <= t2; ++i)
    {
        bool flag = 1;
        uint64_t t = i;
        for(auto &j : tst)
        {
            t = (t*134775813 + 1)%m;
            uint64_t nts = MD*t / m;
            if(nts != j)
                flag = 0;
        }
        if(flag)
        {
            cout << "RAW";
            return 0;
        }
    }
    cout << "SHUFFLED";

    return 0;
}