#include <bits/stdc++.h>
using namespace std;

int calc_happy_day(vector<int> months, int num){
    int x = 0, y = 0;
    int sum = 0;

    for(int i = 1; i <= 12; i++){
        x = i;

        for(int j = 0; j < months.size(); j++){

              if(i == months.at(j)){
                for(int k = 1; k <= num; k++){
                    y = (k % 100) + (k % 10);
                    if(x == y) sum++;
                }                
            }
        }
    }

    return sum;
}

int main() {
   vector<int> a = {1,3,5,7,8,10,12};
   vector<int> b = {2};
   vector<int> c = {4,6,9,11};
   int x = 0, y = 0;
   int sum = 0;

    sum += calc_happy_day(a,31);
    sum += calc_happy_day(b,28);
    sum += calc_happy_day(c,30);

    cout << sum << endl;

    return 0;
}