function Main(input) {
    var line = input.split("\n");
    var N = +line[0];
    var A = line[1];

    sort(N,A)
}

function sort(N,A){
    var migawari;
    var sortFin = false;
    var sorted = 0;

    while (sortFin == false) {
        sorted = 0;
        for (var j = 0; j < A.length; j++) {
            if (+A[j] > +A[j + 1]) {
                migawari = +A[j]
                A[j] = 0;
                A[j] = +A[j + 1];
                A[j + 1] = 0;
                A[j + 1] = migawari;
            } else {
                sorted += 1
                sortFin = (sorted == A.length - 1) ? true : false;
            }
        }
    }

    medCalc(N,A)
}

function medCalc(N,A){
    var med;
    var i = Math.ceil((N - 1) / 2)

    if (N % 2 == 1) {
        console.log(+A[i]);
    } else {
        med = Math.floor((parseInt(A[i]) + parseInt(A[i + 1]) / 2 * 10)) / 10;
        console.log(med)
    }
}


Main(require("fs").readFileSync("/dev/stdin", "utf8"));