Решение задачи Proc 53

#include <bits/stdc++.h>

using namespace std;

bool func(int y)
{
    if ((y%4 == 0) && !(y%100 == 0 && y%400 != 0)){
        return 1;
    }
    else
        return 0;
}

int main()
{
    int y, m;
    cin >> y;
    for(int i = 0 ; i < 3; ++i){
        cin >> m;
        if(func(y)){
            switch(m){
                case 1: cout << 31; break;
                case 2: cout << 29; break;
                case 3: cout << 31;break;
                case 4: cout << 30;break;
                case 5: cout << 31;break;
                case 6: cout << 30;break;
                case 7: cout << 31;break;
                case 8: cout << 31;break;
                case 9: cout << 30;break;
                case 10:cout << 31;break;
                case 11: cout << 30;break;
                case 12: cout << 31; break;
            }
        }else{
            switch(m){
                case 1: cout << 31; break;
                case 2: cout << 28; break;
                case 3: cout << 31;break;
                case 4: cout << 30;break;
                case 5: cout << 31;break;
                case 6: cout << 30;break;
                case 7: cout << 31;break;
                case 8: cout << 31;break;
                case 9: cout << 30;break;
                case 10:cout << 31;break;
                case 11: cout << 30;break;
                case 12: cout << 31; break;
            }
        }
    }
    return 0;
}

import random

L = [2016,300,1300,1900,1200,2000,2018]

def IsLeapYear(Y):
    result = False
    if (Y%4 == 0) and not(Y%100 == 0 and Y%400 != 0):
        result = True
    return result

def MonthDays(M,Y):
    if IsLeapYear(Y) and M == 2:
        Days = 29
    else:
        m = {
            1: 31,
            2: 28,
            3: 31,
            4: 30,
            5: 31,
            6: 30,
            7: 31,
            8: 31,
            9: 30,
            10: 31,
            11: 30,
            12: 31
        }
        try:
            Days = m[M]
        except KeyError as e:
            print('Ошибка')
    return Days

for year in L:
    s = "не високосный"
    if IsLeapYear(year):
        s = "високосный"
    print(year," : ",s)

    list_rnd = list(range(1, 13))
    random.shuffle(list_rnd)
    list_rnd = list_rnd[:3]
    for month in list_rnd:
        D = MonthDays(month,year)
        print("Month -> ",month," : Days -> ",D)