#include <bits/stdc++.h>
// https://blog.csdn.net/lybc2019/article/details/119485924
using namespace std;
const int N = 24;
//节气结构体
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
};
JieQi a[N];

int main() {
  a[0] = {2, 4, "立春", "LC"};
  a[1] = {2, 19, "雨水", "YS"};
  a[2] = {3, 5, "惊蛰", "JZ"};
  a[3] = {3, 20, "春分", "CF"};
  a[4] = {4, 4, "清明", "QM"};
  a[5] = {4, 19, "谷雨", "GY"};
  a[6] = {5, 5, "立夏", "GY"};
  a[7] = {5, 20, "小满", "XM"};
  a[8] = {6, 5, "芒种", "MZ"};
  a[9] = {6, 21, "夏至", "XZ"};
  a[10] = {7, 6, "小暑", "XS"};
  a[11] = {7, 22, "大暑", "DS"};
  a[12] = {8, 7, "立秋", "LQ"};
  a[13] = {8, 22, "处暑", "CS"};
  a[14] = {9, 7, "白露", "BL"};
  a[15] = {9, 22, "秋分", "QF"};
  a[16] = {10, 8, "寒露", "HL"};
  a[17] = {10, 23, "霜降", "SJ"};
  a[18] = {11, 7, "立冬", "LD"};
  a[19] = {11, 22, "小雪", "XX"};
  a[20] = {12, 7, "大雪", "DX"};
  a[21] = {12, 21, "冬至", "DZ"};
  //需要对小寒和大寒进行特殊处理
  a[22] = {13, 5, "小寒", "XH"};
  a[23] = {13, 20, "大寒", "DH"};
  //用户输入
  int m, n;
  cin >> m >> n;

  //测试用例：
  // M----7
  // N----4
  for (int i = 0; i <= 23; i++) {
    if (m < a[i].Month) {
        cout << a[i].PinYin << endl;
        break;
    }
    if (m == a[i].Month && n <= a[i].Day) {
        cout << a[i].PinYin << endl;
        break;
    }
  }
  return 0;
}