#include<bits/stdc++.h>

using namespace std;

//定义一个节气的结构体，它有四个属性
struct JieQi {
    int Month;  //月份
    int Day;    //日期
    string Name; //描述，也可以认为是节气的名称
    string PinYin;  //拼音，也称简拼
};

int main() {
    //定义以节气结构体为向量数组的变量vec
    vector<JieQi> vec;
    //可变长度的数组
    // []--->[1]--->[1,2]--->[1,2,3]

    JieQi a;
    a.Name = "立春";
    a.PinYin = "LC";
    a.Month = 2;
    a.Day = 4;
    vec.push_back(a);

    a.Name = "雨水";
    a.PinYin = "YS";
    a.Month = 2;
    a.Day = 19;
    vec.push_back(a);

    a.Name = "惊蛰";
    a.PinYin = "JZ";
    a.Month = 3;
    a.Day = 5;
    vec.push_back(a);

    a.Name = "春分";
    a.PinYin = "CF";
    a.Month = 3;
    a.Day = 20;
    vec.push_back(a);

    a.Name = "清明";
    a.PinYin = "QM";
    a.Month = 4;
    a.Day = 4;
    vec.push_back(a);

    a.Name = "谷雨";
    a.PinYin = "GY";
    a.Month = 4;
    a.Day = 19;
    vec.push_back(a);

    a.Name = "立夏";
    a.PinYin = "LX";
    a.Month = 5;
    a.Day = 5;
    vec.push_back(a);

    a.Name = "小满";
    a.PinYin = "XM";
    a.Month = 5;
    a.Day = 20;
    vec.push_back(a);

    a.Name = "芒种";
    a.PinYin = "MZ";
    a.Month = 6;
    a.Day = 5;
    vec.push_back(a);

    a.Name = "夏至";
    a.PinYin = "XZ";
    a.Month = 6;
    a.Day = 21;
    vec.push_back(a);

    a.Name = "小暑";
    a.PinYin = "XS";
    a.Month = 7;
    a.Day = 6;
    vec.push_back(a);

    a.Name = "大暑";
    a.PinYin = "DS";
    a.Month = 7;
    a.Day = 22;
    vec.push_back(a);

    a.Name = "立秋";
    a.PinYin = "LQ";
    a.Month = 8;
    a.Day = 7;
    vec.push_back(a);

    a.Name = "处暑";
    a.PinYin = "CS";
    a.Month = 8;
    a.Day = 22;
    vec.push_back(a);

    a.Name = "白露";
    a.PinYin = "BL";
    a.Month = 9;
    a.Day = 7;
    vec.push_back(a);

    a.Name = "秋分";
    a.PinYin = "QF";
    a.Month = 9;
    a.Day = 22;
    vec.push_back(a);

    a.Name = "寒露";
    a.PinYin = "HL";
    a.Month = 10;
    a.Day = 8;
    vec.push_back(a);

    a.Name = "霜降";
    a.PinYin = "SJ";
    a.Month = 10;
    a.Day = 23;
    vec.push_back(a);

    a.Name = "立冬";
    a.PinYin = "LD";
    a.Month = 11;
    a.Day = 7;
    vec.push_back(a);

    a.Name = "小雪";
    a.PinYin = "XX";
    a.Month = 11;
    a.Day = 22;
    vec.push_back(a);

    a.Name = "大雪";
    a.PinYin = "DX";
    a.Month = 12;
    a.Day = 7;
    vec.push_back(a);

    a.Name = "冬至";
    a.PinYin = "DZ";
    a.Month = 12;
    a.Day = 21;
    vec.push_back(a);

    //需要对小寒和大寒进行特殊处理
    a.Name = "小寒";
    a.PinYin = "XH";
    a.Month = 1+12;
    a.Day = 5;
    vec.push_back(a);

    a.Name = "大寒";
    a.PinYin = "DH";
    a.Month = 1+12;
    a.Day = 20;
    vec.push_back(a);
    //用户输入
    int M = 0;
    int N = 0;
    cin >> M;
    cin >> N;

    //测试用例：
    //M----7
    //N----4
    //输出：XS --->小暑


    //7.4--->7.6   ---->7.4---》这是本年度第几天？ (7-1)*30+4
    //7.4--->8.1
    //输出一下
    for (int i = 0; i < vec.size(); i++) {
        if ((vec[i].Month-1)*30+vec[i].Day>=(M-1)*30+N){
            cout<<vec[i].PinYin<<endl;
            break;
        }
    }
    return 0;
}