#include <iostream>
using namespace std;
int main()
{
double a, b, c, delta;
cin >> a >> b >> c;
delta = b*b - 4*a*c;
if( delta == 0)
{
cout << 1 << endl;
}
if( delta > 0)
{
cout << 2 << endl;
}
if( delta < 0)
{
cout << 0 << endl;
}
return 0;
}
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