function Main(input) {
    let src = input.split("\n");
    const a = [...src[0]];
    const s = [...src[1]];
    let ans = "";
    s.forEach(c => {
        if (isNaN(c)) {
            ans = ans + c;
        } else {
            ans = ans + a[parseInt(c)];
        }
    });
    console.log(ans);
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));