#include <stdio.h>

#define N 100000000LL

int main(int argc, char *argv[]) {
    static long long a[N];
    long long i;
 
    #pragma omp parallel for
    for (i = 0; i < N; i++)
        a[i] = 2 * i;
 
    printf( "%lld\n", a[N-1LL] );

    return 0;
}