#include <bits/stdc++.h>
using namespace std;

int main()
{
	int A, B, C;
	cin >> A >> B >> C;

	auto f = []( int a, int b, int c ) -> bool
	{
		if( a == b || b== c || c == a ) return false;
		if( a < b && b > c || a > b && b < c ) return true;
		return false;
	};
	if( f( A, B, C ) ) {
		cout << "INF" << endl;
	}
	else {
		int ans = 0;
		int ma = max( A, max( B, C ) );
		for( int p = 1; p <= ma; p++ ) {
			if( f( A % p, B % p, C % p ) ) ans++;
		}

		cout << ans << endl;
	}
}