#define _USE_MATH_DEFINES	//M_PI(π),M_SQRT2(√2)
#include <iostream>			//std::cout, std::cin
#include <string>			//std::string,std::to_string(C++11)
#include <vector>			//std::vector
#include <valarray>			//std::valarray
#include <algorithm>		//std::sort
#include <time.h>			//localtime_s
#include <cstdlib>			//abs
#include <cmath>			//abs,std::pow,sqrt,sin,cos,round,floor,ceil
#include <fstream>			//std::ifstream,std::ofstream
#include <iomanip>			//std::setprecision,std::setw,std::setfill
#include <random>			//std::random(C++11)
#include <numeric>			//std::accumulate
#include <functional>		//std::greater

bool Cheack_Kadomatsu(const int n1, const int n2, const int n3) {

	if (n1 == n2 || n2 == n3 || n1 == n3) {
		return false;
	}

	std::vector<int> A = { n1,n2,n3 };
	if (n2 == *std::max_element(A.begin(), A.end()) || n2 == *std::min_element(A.begin(), A.end())) {
		return true;
	}
	else {
		return false;
	}
}

int main(void) {

	//test用
	//std::ifstream in("test.txt");
	//std::cin.rdbuf(in.rdbuf());

	//const unsigned int MODULO = 1000000007;

	int A1 = 0, A2 = 0, A3 = 0;
	std::cin >> A1 >> A2 >> A3;
	if (Cheack_Kadomatsu(A1, A2, A3)) {
		std::cout << "INF" << std::endl;
	}
	else {
		int ans = 0, B1 = 0, B2 = 0, B3 = 0;
		for (int i = 1; i <= std::max(A3, std::max(A1, A2)); i++) {
			B1 = A1%i;
			B2 = A2%i;
			B3 = A3%i;
			if (Cheack_Kadomatsu(B1, B2, B3)) {
				ans++;
			}
		}

		std::cout << ans << std::endl;
	}


}