#include <iostream>
using namespace std;
  
int main() {
    double height = 100;
    int count = 0;
    while (height / 2 >= 0.5) {
        height /= 2;
        count++;
    }
    count++;
    cout << count << endl;
    return 0;
}    
/**************************************************************
	Problem: 1062
	User: wengzihang
	Language: C++
	Result: Accepted
	Time:3 ms
	Memory:2072 kb
****************************************************************/