#include #include #include using namespace std; int a, b, s; int main() { cin >> a >> b >> s; int move; if (s == 1) { move = abs(a - s) + s; } else if (abs(a - s) <= abs(b - s)) { move = abs(a - s) + s; } else { move = abs(b - s); if (a == 0) { move++; a = 1; } move += abs(s - a) + a; } cout << move << endl; return 0; }