import std.stdio, std.array, std.string, std.conv, std.algorithm;
import std.typecons, std.range, std.random, std.math, std.container;
import std.numeric, std.bigint, core.bitop, core.stdc.stdio;

void main() {
    auto N = readln.chomp.to!int;
    auto A = iota(N+1).array;

    foreach (i; 1..N+1) foreach (j; iota(i, N+1, i)) {
        A[j] -= 1;
    }

    int mn = iota(1, N).map!(i => abs(A[i] - A[N-i])).reduce!min;
    foreach (i; 1..N) if (abs(A[i] - A[N-i]) == mn) writeln(i, " ", N-i);
}