#include<iostream>

using namespace std;

int main(){
	
	int i;

	int a[3],b[3],sum[3],figure;
	
	for(i=0;i<3;i++){
		do{
			cin >> a[i] >> b[i];
		}while((a[i]<0||a[i]>100000)&&(b[i]<0||b[i]>100000));
		
		sum[i] = a[i] + b[i];
	}
	
	for(i=0;i<3;i++){
		figure = 1;
		while(sum[i]/10!=0){
			sum[i] = sum[i]/10;
			figure++;
		}
		cout << figure << "\n";
	}
	
	return 0;
}