#include<cstdio>
#include<iostream>
#include<string>
using  namespace std;
string a[150];
char ch(char x)
{
	if(x>='a'&&x<='z')
		x=x+('A'-'a');
	return x;
}

int main()
{
	freopen("abbreviation.in","r",stdin);
	freopen("abbreviation.out","w",stdout);
	int t;
	scanf("%d",&t);
	int i;
	char c;
	for(i=1;i<=t;i++)
	{
		int j=1;
		cin>>a[1];
		c=getchar();
		if(a[1]!="and"&&a[1]!="for"&&a[1]!="the"&&a[1].size()>=3)
			cout<<ch(a[1][0]);
		while(1)
		{
			j++;
			cin>>a[j];
			c=getchar();
			if(a[j]!="and"&&a[j]!="for"&&a[j]!="the"&&a[j].size()>=3)
			cout<<ch(a[j][0]);
			if(c=='\n')
				break;
		}
		cout<<endl;
	}
	return 0;
}