THE FRICKING CALENDAR CRAP.

#include <iostream>
#include <string>
#include <cmath>
#include <iomanip>
using namespace std;

int main() {
   int userDay   = 0;
   int userYear  = 0;
   int userMonth = 0;
   int month = 0;
   int year = 0;
   int h = 0;
   int q = 0;
   int m = 0;
   int k = 0;
   int j = 0;
   string day = " ";
   
   cin >> month;
   cin >> year;
   
   userMonth = month;
   userYear = year;
   userDay = 1;
   

   if (userMonth == 1) {
      userMonth = 13;
      userYear -= 1;
   }
   if (userMonth == 2) {
      userMonth = 14;
      userYear -= 1;
   }
    
   q = userDay;
   m = userMonth;
   k = userYear % 100;
   j = userYear/100;
    
   h = (q + ((13*(m+1))/5)+k+(k/4)+(j/4)+(5*j)) % 7;   

   
   // 0 = saturday, 1 = sunday, 2 = monday, 3 = tuesday, 4 = wednesday, 5 = thursday, 6 = friday 

   switch (month) {
      case 1:
         day = "January";
         break;
      case 2:
         day = "February";
         break;
      case 3:
         day = "March";
         break;
      case 4:
         day = "April";
         break;
      case 5:
         day = "May";
         break;
      case 6:
         day = "June";
         break;
      case 7:
         day = "July";
         break;
      case 8:
         day = "August";
         break;
      case 9:
         day = "September";
         break;
      case 10:
         day = "October";
         break;
      case 11:
         day = "November";
         break;
      case 12:
         day = "December";
         break;
   }
   
   cout << setw((15 - day.length()) /2 ) << " " << day << " " << year << endl; // professor agorithm of literally crap and badness. 
   
   cout << "Su" << " " << "Mo" << " " << "Tu" << " " << "We" << " " << "Th" << " " << "Fr" << " " << "Sa" << endl;
   
   int i = 0;
   int n = 0;
   int p = 0;
   int o = 0;
   
   switch (h) {
      case 0:  // saturday
         n = 7;
         cout << setw(18) << "                  "; // 18 spaces
         break;
      case 1:  // sunday
         n = 1;
         break;
      case 2:  // monday
         n = 2;
         cout << setw(3) << "   "; // 3 spaces
         break;
      case 3:  // tuesday
         n = 3;
         cout << setw(6) << "      "; // 6 spaces
         break;
      case 4:  // wednesday
         n = 4;
         cout << setw(9) << "         "; // 9 spaces
         break;
      case 5:  // thursday
         n = 5;
         cout << setw(12) << "            "; // 12 spaces
         break;
      case 6:  // friday
         n = 6;
         cout << setw(15)  << "               "; //15 spaces
         break;
   }
      
   p = 1;
   
   switch (month) {
      case 9:
      case 4:
      case 6:
      case 11:
         o = 30;
         break;
      case 1:
      case 3:
      case 5:
      case 7:
      case 8:
      case 10:
      case 12:
         o = 31;
         break;
      case 2:
         if ((year % 4 == 0 && year % 100 != 0) || ( year % 400 == 0)) {
            o = 29;
         }
         else {
            o = 28;
         }
   }
   
   while(true) {
      
      for (i = n; i < 8; i++) {
         if((i==7) || (p == o)) {
            cout << setw(2) << p << endl;
         }
         else {
            cout << setw(2) << p << " ";
         }
         p ++;
         if (p > o) {
            break;
         }
      }
      n = 1;     
      if (p > o) {
      break;
      }
   }
   
   
 
   
return 0;
}