#include <iostream>

using namespace std;

int main()
{
    int x = 0;
    int y = 0;
    int i = 1;
    float sum = 0.0;
    cin >> x >> y;
    while (sum <= y)
    {
        if (i == 1)
            sum = x;
        else
            sum += sum*1.7;
        i++;
    }
    cout << i;
    return 0;
}