#include <stdio.h>

int main() {
    long long cin, count, i;
    long long a;
    cin = 0, count = 0;
    scanf("%lld", &a);
    for (i = 1; i <= a; i++) {
        if (i % 2 == 1)
            count++;
        else
            cin++;
    }
    printf("%lld %lld", count, cin);
}