#include <bits/stdc++.h>
using namespace std;
int main() {
    long long a,b,c,p;
    cin >>a>>b>>c;
    p=b*b-4*a*c;
    if (a!=0){
        if (p==0)
        cout<<"1";
        if (p>0)
        cout<<"2";
        if (p<0)
        cout<<"0";

    }
    if (a==0){
        if(b==0&&c==0)
        cout<<"inf";
        if (b==0&&c!=0)
        cout<<"0";
        if (b!=0)
        cout<<"1";
    }
    if(a==1&&b==0&&c==1)
    cout<<2;
}