#include <stdio.h>

int main() {
    double x, y;

    scanf("%lf%lf", &x, &y);

    if ((x - 2) * (x - 2) + (y - 2) * (y - 2) <= 1
        || (x + 2) * (x + 2) + (y - 2) * (y - 2) <= 1
        || (x + 2) * (x + 2) + (y + 2) * (y + 2) <= 1
        || (x - 2) * (x - 2) + (y + 2) * (y + 2) <= 1) {
        printf("10\n");
    } else {
        printf("0\n");
    }

    return 0;
}