#include <iostream>
using namespace std;

int main(){
	double a_heap[3];
	double b_heap[3];
	int digit[3];
	int count;
	for(int i=0;i<3;i++){
		cin >> a_heap[i] >> b_heap[i];
	}
	for(int i=0;i<3;i++){
		int num1 = 1;
		int j;
		for(j=1;;j++){
			num1 = 10 * num1;
		if((a_heap[i] + b_heap[i])/num1 < 1)
			break;
		}
		digit[i] = j;
	}
	for(int i=0;i<3;i++){
	cout << digit[i] << endl;
	}
	return 0;
}