#include <bits/stdc++.h> using namespace std; bool isKadomatsu(int a,int b,int c){ if(a == c)return false; if(a>b && b<c)return true; if(a<b && b>c)return true; return false; } int main() { int A,B,C; cin >> A >> B >> C; if(isKadomatsu(A,B,C)){ cout << "INF" <<endl; return 0; } int cnt = 0; for(int i = 1; i <= 1000; i++) if(isKadomatsu(A % i,B % i,C % i))cnt++; cout << cnt << endl; return 0; }