626

//626
#include <cstdio>
#include <cmath>

int main(void) {
    FILE* fin = fopen("input.txt", "r");
    FILE* fout = fopen("output.txt", "w");

    int k, x, y;
    fscanf(fin, "%d%d%d", &k, &x, &y);
    fclose(fin);
    if (abs(k - x) < abs(k - y))
        fprintf(fout, "1\n");
    else if (abs(k - y) < abs(k - x))
        fprintf(fout, "2\n");
    else
        fprintf(fout, "0\n");
    fclose(fout);
    return 0;
}