题目1186：打印日期

#include<iostream>
using namespace std;
int dayofmonth[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
int main()
{
   int y,n;
   while(cin>>y>>n)
{   if(y%4==0&&y%100!=0 ||y%400==0) dayofmonth[2]=29;
    else  dayofmonth[2]=28;int i;
    for(i=1;i<=12;i++)
    {if(n>dayofmonth[i]) n-=dayofmonth[i];
    else break;}
    if(y<10)cout<<"000";
    else if(y<100)cout<<"00";
    else if(y<1000) cout<<"0";
    cout<<y<<"-";
    if(i<10) cout<<"0";
    cout<<i<<"-";
    if(n<10) cout<<"0";
    cout<<n<<endl;
}
return 0;
}
     
 
/**************************************************************
    Problem: 1186
    User: cust123
    Language: C++
    Result: Accepted
    Time:220 ms
    Memory:1520 kb
****************************************************************/