if __name__ == '__main__':
    n = int(input())
my_dict = {}
for _ in range(n*2):
    s = str(input())
    if " " in s:
        nameAndPhone = s.split(" ")
        name = nameAndPhone[0]
        phone = nameAndPhone[1]
        my_dict[name] = phone
    else:
        if s in my_dict:
            print(f"{s}={my_dict[s]}")
        else:
            print("Not found")

import sys

entries = int(input())
friends = {}

# The first n lines
for _ in range(entries):
    name, number = input().split(' ')
    friends[name] = number

# The remaining lines
for line in sys.stdin:
    name = line.strip()
    if name in friends:
        print(f"{name}={friends.get(name)}")
    else:
        print("Not found")

n = int(input().strip())
my_contact = {}

# Store contacts
for _ in range(n):
    name, number = input().strip().split()
    my_contact[name.lower()] = int(number)

# Search contacts until EOF (End of Input)
try:
    while True:
        search_name = input().strip()
        key = search_name.lower()
        if key in my_contact:
            print(f"{search_name}={my_contact[key]}")
        else:
            print("Not found")
except EOFError:
    pass

function processData(input) {
    //Enter your code here
    const persArray = input.split('\n'); //get lines as array
    const nPpl = Number(persArray[0]); //first input line is nPpl
    var phonebook = new Map(); 
    
    for (let i = 1; i <= nPpl; i++){
        let details = persArray[i].split(' '); //get array [name,num]
        phonebook.set(details[0],details[1])
    }
    
    for (let i = nPpl + 1; i < persArray.length; i++){
        let person = persArray[i];
        let num = phonebook.get(person);
        if (num) {
            console.log(person + '=' + num)
        } else{console.log('Not found')}
    }
} 

function processData(input) {
    //Enter your code here
    let phoneBookEntries = [];
    phoneBookEntries.push(input);    
    let entries = phoneBookEntries[0].split('\n');
    
    let numberOfPairs = parseInt(entries);
    
    let phoneBook = new Map();
    
    for(let i = 0; i<= numberOfPairs; i++){
        let[name, number] = entries[i].split(" ");
        phoneBook.set(name, number);
        console.log("The phonebook:", phoneBook);
    }
        
    for (let i = numberOfPairs; i<entries.length; i++){
        let query = entries[i];
        if(phoneBook.has(query)){
             return query + "=" + phoneBook.get(query);
        } else {
             return "Not found";
         }
    }
    
}