#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define nmax 1000007
#define mmax 2007
#define pb push_back
const long long mod = 1e9 + 7;
const long long oo = 1e17;
const long long base = 41;
signed main()
{
freopen("tablica.inp", "r", stdin);
freopen("tablica.out", "w", stdout);
long double a, b, c, d;
cin >> a >> b >> c >> d;
long double ans1 = a/c + b/d;
long double ans2 = c/d + a/b;
long double ans3 = d/b + c/a;
long double ans4 = b/a + d/c;
long double k = max({ans1, ans2, ans3, ans4});
if(k == ans1) cout << 0;
else if(k == ans2) cout << 1;
else if(k == ans3) cout << 2;
else if(k == ans4) cout << 3;
}
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