Untitled

#include <iostream>
#include <string>
#include <vector>
using namespace std;
int count(int a) {
	int c = 0;
	while (a > 0)
	{
		a /= 10;
		c += 1;
	}
	return c;
}
int main()
{
	int g;
	cin >> g;
	cout << count(g);
}