#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <functional>
#include <map>
#include <iomanip>
#include <math.h> 
#include <stack>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <tuple>
#include <cctype>
#include <ctype.h>
#include <set>
#include <sstream>

using namespace std;

int main(){
	int i, j;
	int a, b, c;
	long cnt = 0;

	cin >> a >> b >> c;

	if (a == b || a == c || b == c) {
		cout << 0 << endl;
		return 0;
	}

	//if (( (b > a > c) || (b > c > a)) || ( (b < a < c) || (b < c < a)) ) {
	if( (b>a && b>c) || ( b<a && b<c)){
		cout << "INF" << endl;
	}
	else {
		for (i = 1; i <= max({ a,b,c }); i++) {
			int aa = a%i;
			int bb = b%i;
			int cc = c%i;

			//cout << aa << " " << bb << " " << cc << endl;
			//if ((bb > aa > cc || bb > cc > aa) || (bb < aa < cc || bb < cc < aa)) {
			if (((bb>aa && bb>cc) || (bb<aa && bb<cc)) && aa!=cc) {
				//cout << aa << " " << bb << " " << cc << endl;

				cnt++;
			}

		}

		cout << cnt << endl;
	}

	



	getchar();
	getchar();
	return 0;
}