#include <bits/stdc++.h>
using namespace std;
int main()
{ int count = 0;
int a, b;cin >> a >> b;
bool check = true;
while (check)
{
if (a <= b)
{
a += a;
count++;
}
if (a > b)
{
check = false;
}
}
cout << count;
return 0;
}
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