#include #include #include #include #include #include #include #include #include #include #include #include #include #include #define rep(i, a, b) for (int i = (a); i < (b); ++i) #define MOD 1000000007 #define int long long using ll = long long; using namespace std; const int INF = 1LL << 50; using P = pair; template bool chmin(T &a, T b) { if (a > b) { a = b; return true; } else { return false; } } template bool chmax(T &a, T b) { if (a < b) { a = b; return true; } else { return false; } } struct Setup { Setup() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); } } SETUP; bool is_kado(int a, int b, int c) { if (a != c && b > a && b > c) { return true; } if (a != c && b < a && b < c) { return true; } return false; } signed main() { int a, b, c; cin >> a >> b >> c; if (is_kado(a, b, c)) { puts("INF"); } else { int ans = 0; int nax = max(a, max(b, c)); rep(i, 1, nax + 1) { if (is_kado(a % i, b % i, c % i)) { ans++; } } cout << ans << endl; } }