"use strict";
const fs = require("fs");
process.stdin.resume();
process.stdin.setEncoding("utf-8");
let inputString = "";
let currentLine = 0;
process.stdin.on("data", function (inputStdin) {
inputString += inputStdin;
});
process.stdin.on("end", function () {
inputString = inputString.split("\n");
main();
});
function readLine() {
return inputString[currentLine++];
}
function processData(s, k) {
// Write your code here
}
function main() {
const ws = fs.createWriteStream(process.env.OUTPUT_PATH);
const n = parseInt(readLine().trim(), 10);
const s = readLine();
const k = parseInt(readLine().trim(), 10);