UVA 10070 - Leap Year or Not Leap Year

#include<bits/stdc++.h>
#define i64 long long
#define mx(a,b,c) max(a,max(b,c))
#define mn(a,b,c) min(a,min(b,c))
#define eef else if
#define ff(i,s,e) for(int i=(s); i<e; i++)
#define ff2(i,s,e) for(int i=(s); i>=e; i--)
#define sf scanf
#define pf printf
#define dbug(x) cout<<"x = "<<x<<endl
#define newl() cout<<"\n"
using namespace std;
int main()
{
    int cse=0,cnt=0,flg=0,leap=0;
   string year;
   while(cin>>year){
    int m4=0,m15=0,m100=0,m55=0,m400=0;
    if(cnt!=0)
        newl();
   cnt=1;
   ff(i,0,year.size()){
    m4=((m4*10)+(year[i]-'0'))%4;
    m15=((m15*10)+(year[i]-'0'))%15;
    m100=((m100*10)+(year[i]-'0'))%100;
    m55=((m55*10)+(year[i]-'0'))%55;
    m400=((m400*10)+(year[i]-'0'))%400;
   }
   if((m4==0 && m100!=0)||m400==0){
    cout<<"This is leap year.\n";
    flg=1;
    leap=1;
   }
   if(m15==0){
    cout<<"This is huluculu festival year.\n";
    flg=1;
   }
   if(leap==1 && m55==0)
    cout<<"This is bulukulu festival year.\n";
   if(flg==0)
    cout<<"This is an ordinary year.\n";
    flg=0;
    leap=0;
   }
    return 0;
}