#include <bits/stdc++.h>

using namespace std;
#define IOS ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr)
#define rep(a, b, c) for(int (a)=(b);(a)<=(c);(a)++)
#define per(a, b, c) for(int (a)=(b);(a)>=(c);(a)--)
#define mset(var, val) memset(var,val,sizeof(var))
#define ll long long
#define fi first
#define se second
#define no "No\n"
#define yes "Yes\n"
#define pb push_back
#define endl "\n"
#define pii pair<int,int>
#define pll pair<ll,ll>
#define dbg(x...) do{cout<<#x<<" -> ";err(x);}while (0)

void err() { cout << '\n'; }

template<class T, class... Ts>
void err(T arg, Ts... args) {
    cout << arg << ' ';
    err(args...);
}

int n, m;

int gcd(int x, int y) {
    return !x ? y: gcd(y%x, x);
}

void solve() {
    cin >> n >> m;
    int a = 100001, b = 100001;
    for(int i = n; i <= m; i++) {
        string s;
        cin >> s;
        if(s == "Fizz") {
            if(a == 100001) a = i;
            else a = gcd(a, i);
        }
        else if(s == "Buzz") {
            if(b == 100001) b = i;
            else b = gcd(b, i);
        }
        else if(s == "FizzBuzz") {
            if(a == 100001) a = i;
            else a = gcd(a, i);
            if(b == 100001) b = i;
            else b = gcd(b, i);
        }
    }
    cout << a << " " << b << endl;
}

int main() {
    // IOS;
    int T = 1;
    // cin >> T;
    while (T--) {
        solve();
    }
    return 0;
}