#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <ctime>
#include <cstdlib>
#include <cstdio>
#include <cmath>
#include <deque>
#include <queue>
#include <string>
#include <cstring>
#include <map>
#include <stack>
#include <set>

using namespace std;
typedef unsigned long long ll;
const int INF = 2147483647;

bool compare(vector<int> a, vector<int> b) {
    // Returns true if a >= b
    if (a == b) return true;
    if (a.size() != b.size()) return (a.size() > b.size());
    assert(a.size() == b.size());
    // Compares most significant digit
    if (a[a.size() - 1] != b[b.size() - 1]) return (a[a.size() - 1] > b[b.size() - 1]);
    // Most significant digit same
    // Compare next significant digit
    return compare(vector<int>(a.begin(), a.end() - 1), vector<int>(b.begin(), b.end() - 1));
}

vector<int> add(vector<int> a, vector<int> b) {
    if (!compare(a, b)) swap(a, b);
    // Now a >= b
    for (int i = 0; i < b.size(); i ++) {
        // Naive addition
        a[i] += b[i];
        // Deals with carry
        if (a[i] > 9) {
            a[i] -= 10;
            // Ensures there are enough digits
            if (i + 1 < a.size())
                a[i + 1] ++;
            else
                a.push_back(1);
        }
    }
    return a;
}

void print(vector<int> a) {
    // Print digit by digit
    for (int i = a.size() - 1; i >= 0; i --) {
        cout << a[i];
    }
    cout << endl;
}

vector<int> readInt() {
    // Assuming reading from stdin
    vector<int> a;
    string s;
    cin >> s;
    for (char c : s) {
        // char reads character as it's ASCII code
        // ASCII code of characters '0' to '9' is 48(0x30) to 57(0x39)
        // Subtract 0x30 from ASCII code to get digit value
        a.push_back((int) (c - 48));
    }
    reverse(a.begin(), a.end());
    return a;
}

int main() {
    // Code currently only supports *positive integers*
    // 1234 represented as {4, 3, 2, 1}
    // 0 represented as {0}
    vector<int> a = readInt();
    vector<int> b = readInt();
    cout << "a's value: ";
    print(a);
    cout << "b's value: ";
    print(b);
    cout << "Is a > b? " << (compare(a, b) ? "Yes" : "No") << endl;
    cout << "Is b > a? " << (compare(b, a) ? "Yes" : "No") << endl;
    cout << "a + b = ";
    print(add(a, b));
}