#include<cstdio>
#include<string>
#include<iostream>
using namespace std;
string str[1001]={""},s;
int main()
{
	freopen("asm_talk.in","r",stdin);
	freopen("asm_talk.out","w",stdout);
	int m,tot=1,w,O,OO;
	scanf("%d",&m);
	for (int i=1;i<=m;i++)
	{
		
		scanf("%d",&w);
		if (w==1) getline(cin,str[tot++]);
		if (w==2) 
		{
			s="";
			getline(cin,s);
			OO=0;
			for (int j=1;j<=tot-1;j++)
			{
				if (str[j].length()==s.length())
				{
					O=0;
					for(int k=1;k<str[j].size();k++)
					{
						if (s[k]=='*'||s[k]==str[j][k]){}
						else {O=1;break;}
					}
					if (O==0)
						OO=1;
				}
				if (OO==1) {cout<<"YES"<<endl;break;}
			}
			if (OO==0) cout<<"NO"<<endl;
		}
	}
}