Submission #24486210

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Source Code Expand

// {{{
#include <bits/stdc++.h>
using namespace std;
using LL = long long;
using vi = vector<int>;
using pii = pair<int, int>;
#define sz(x) (int)((x).size())
#define all(x) (x).begin(), (x).end()
#define clr(a, b) memset(a, b, sizeof(a))
#define debug(x...)
#define debug_arr(x...)
#ifdef LOCAL
#include "prettyprint.hpp"
#endif
// }}}

int main()
{
#ifdef LOCAL
    freopen("in", "r", stdin);
    // freopen("out", "w", stdout);
#endif
    ios::sync_with_stdio(false);
    cin.tie(0);

    set<string> st;
    for (int i = 0; i < 4; i++)
    {
        string s;
        cin >> s;
        st.insert(s);
    }

    if (st.find("H") == st.end())
    {
        cout << "No" << endl;
        return 0;
    }

    if (st.find("2B") == st.end())
    {
        cout << "No" << endl;
        return 0;
    }
    if (st.find("3B") == st.end())
    {
        cout << "No" << endl;
        return 0;
    }
    if (st.find("HR") == st.end())
    {
        cout << "No" << endl;
        return 0;
    }
    cout << "Yes" << endl;

    return 0;
}

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