#include <iostream>
int main() {
    double height = 100;
    int times = 0;
    while (height / 2 >= 0.5) {
        height /= 2;
        times++;
    }
    std::cout << times + 1 << std::endl;
    return 0;
}    
/**************************************************************
	Problem: 1062
	User: fuyijun
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2072 kb
****************************************************************/