#include<bits/stdc++.h>
using namespace std;
int main(){
	int a=100,h;
	for(;a<=0.5;h+1){
		a=a/2;
		
	}
	cout<<h;



    return 0;
}

/**************************************************************
	Problem: 1062
	User: caiqiaoxi
	Language: C++
	Result: Wrong Answer
****************************************************************/