Preview:
function processData(input) {
    //Enter your code here
    const lines = input.split("\n");
    const n = parseInt(lines[0]);
    const phoneBook = new Map();
    
    for (var i =1; i<=n; i++ ) {
        const arr = lines[i].split(" ");
        const name = arr[0];
        const phone = arr[1];
        phoneBook.set(name, phone);
    }
    
    
    for (var j=n+1; j<=lines.length-1; j++ ) {
      
        if (phoneBook.has(lines[j])) {
           console.log(lines[j]+"="+phoneBook.get(lines[j])); 
        } else {
            console.log("Not found");
        }
    }
    
    
   
}

process.stdin.resume();
process.stdin.setEncoding("ascii");
_input = "";
process.stdin.on("data", function (input) {
    _input += input;
});

process.stdin.on("end", function () {
   processData(_input);
});
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