#include <stdio.h>

int main(void)
{
    long n,m=1000007,a,b,c;
    scanf("%ld",&n);
    a=(n+1)/2%m;
    b=(n/2+1)%m;
    c=n/2%m;
    printf("%ld",(a*b%m+c)%m);
    return 0;
}