How can I initialize an array whose type is a struct?

[learning c++]

I have a short code to print the month and days in a month. I declared a 
struct including month and days. but it does not work.

Please help me.

#include<iostream>
#include<vector>
using namespace std;

struct year{
char* month;
int day;
};

int main(){

vector<year>arr(("Jan",31),("Feb",28));
vector<year>::iterator iter;
for(iter=arr.begin(); iter!=arr.end(); iter++)
cout<<iter->month<<" "<<iter->days<<endl;
return 0;
}

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