某是萌新，向各位大佬求助

#include<iostream>
#include<string>
using namespace std;
int main()
{	
	string b[12];
	string a;
	b[0]="January";
	b[1]="February";
	b[2]="March";
	b[3]="April";
	b[4]="May";
	b[5]="June";
	b[6]="July";
	b[7]="August";
	b[8]="September";
	b[9]="October";
	b[10]="November";
	b[11]="December";
	int kkk;
	cin>>a>>kkk;
	int yf;
	for(int i=0;i<12;i++)
	{	
		if(a==b[i])
		{	
			yf=i+1;
		}	
	}	
	yf+=kkk;
	if(yf>12)
	{	
		yf%=12;
	}	
	yf--;
	//cout<<yf<<endl;
	cout<<b[yf];
	return 0;
}