#include <iostream>

using namespace std;

class superlong
{
private:
    int arrayLength;
public:
    /*extern*/ int intArray[1000];
    superlong() { for (int i = 0; i < 1001; i++) intArray[i] = 0;}

    void get();
    void get(string s);
    void give();
    void give(string& s);
    int length();
    superlong operator+(superlong op2);

};


int main()
{
    superlong new2, new1, new3;
    new1.get();
    new2.get();
    cout << new1.length();
    new3 = new1 + new2;
    //new3.give();
    return 0;
}

void superlong::get()
{
    string s = "";
    cin >> s;
//    int intArray[s.length()];
    for (int i = 0; i < s.length(); i++)
    {
        intArray[i] = s[s.length() - i - 1] - '0';
    }
    arrayLength = s.length();
}

void superlong::get(string s)
{
//    int intArray[s.length()];
    for (int i = 0; i < s.length(); i++)
    {
        intArray[i] = s[s.length() - i - 1] - '0';
    }
    arrayLength = s.length();
}

void superlong::give()
{
    for (int i = arrayLength - 1; i >= 0; i--)
        cout << intArray[i];
}

void superlong::give(string& s)
{
    for (int i = arrayLength - 1; i >= 0; i--)
        s += intArray[i];
}

int superlong::length()
{
    return arrayLength;
}

superlong superlong::operator+(superlong op2)
{
    superlong temp;
    string s = "";
    op2.give(s);
    temp.get(s);
    for (int i = 0; i < max(op2.length(), arrayLength); i++)
        temp.intArray[i] += intArray[i];
    for (int i = 0; i < max(op2.length(), arrayLength); i++)
        if (temp.intArray[i] > 9)
        {
            temp.intArray[i+1] += intArray[i] / 10;
            temp.intArray[i] %= 10;
        }
        return temp;
}