Print February Calendar

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C++ Code:

#include <iostream>
#include<string>
using namespace std;
int main(){
 int i,j,k,m,n,s,t=0,u,v,year,month;
 string day;
 cin>>year>>day;
 if(year%400==0||(year%4==0&&year%100!=0))
 {
     month=29;
 }
 else
 month=28;
 if(day=="MON")s=5;
 if(day=="TUE")s=6;
 if(day=="WED")s=7;
 if(day=="THU")s=1;
 if(day=="FRI")s=2;
 if(day=="SAT")s=3;
 if(day=="SUN")s=4;
 int a[8][8]={0};
 t=1;
 for(i=1;i<6;i++)
 {
     if(i==1)
     {
         for(j=s;j<8;j++)
         {
             a[i][j]=t;
             t++;
         }
     }
     else
     {
         for(j=1;j<8;j++)
         {
             if(t<=month)
             {
                 a[i][j]=t;
                 t++;
             }
         }
     }
 }
 cout<<"S M T W T F S\n";
 for(i=1;i<8;i++)
 {
     if(a[5][i]!=0)
     break;
 }
 if(i==8)
 v=5;
 else
 v=6;
 for(i=1;i<v;i++)
 {
     for(j=1;j<8;j++)
     {
         if(a[i][j]!=0)
         cout<<a[i][j]<<" ";
         else
         cout<<"* ";
     }
     cout<<endl;
 }
}

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