#include <iostream>
#include <algorithm>

int max3(int a, int b, int c){
    return std::max(a, std::max(b, c));
}
int min3(int a, int b, int c){
    return std::min(a, std::min(b, c));
}
int diff3(int a, int b, int c){
    return (a!=b && b!=c && c!=a);
}

int main(){
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    
    int a1, a2, a3, ans=0;
    std::cin >> a1 >> a2 >> a3;
    int maxNum = max3(a1, a2, a3);
    if(!diff3(a1, a2, a3)){
        std::cout << "0\n";
    }else if(a2==max3(a1, a2, a3) || a2==min3(a1, a2, a3)){
        std::cout << "INF\n";
    }else{
        for(int p=1; p<=maxNum; ++p){
            if(diff3(a1%p, a2%p, a3%p) && (a2%p==max3(a1%p, a2%p, a3%p) || a2%p==min3(a1%p, a2%p, a3%p))){
                ++ans;
            }
        }
        std::cout << ans << "\n";
    }

    return 0;
}