#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) begin(v),end(v)
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
using ll = long long;
using pii = pair<int, int>;
constexpr ll INF = 1ll<<30;
constexpr ll longINF = 1ll<<60;
constexpr ll MOD = 1000000007;
constexpr bool debug = false;
//---------------------------------//

int main() {
	int A[3];
	for (int & in : A) cin >> in;
	int mx = *max_element(ALL(A));
	auto func = [](int a, int b, int c) -> bool {
		if (a == b || b == c || a == c) return false;
		if (a > b && b < c) return true;
		if (a < b && b > c) return true;
		return false;
	};
	if (func(A[0], A[1], A[2])) puts("INF");
	else {
		int ans = 0;
		FOR(i, 1, mx + 1) if (func(A[0] % i, A[1] % i, A[2] % i)) ++ans;
		cout << ans << endl;
	}
}