#include<bits/stdc++.h>
using namespace std;
unordered_map<string, unordered_map<string, string>> m;
string operator+(string s1, string s2){
	if(s1.size() < s2.size())
		swap(s1, s2);
	if(s2 == "0")
		return s1;
	reverse(s1.begin(), s1.end());
	reverse(s2.begin(), s2.end());
	s2.resize(s1.size(), '0');
	s1.push_back('0');
	for(size_t i = 0; i < s2.size(); ++i){
		s1[i] += s2[i] - '0';
		if(s1[i] > '9'){
			s1[i] -= 10;
			++s1[i + 1];
		}
	}while(s1.back() == '0')
		s1.pop_back();
	if(s1.empty())
		return "0";
	reverse(s1.begin(), s1.end());
	return s1;
}string operator*(string s1, string s2){
	if(s1 == "0" or s2 == "0")
		return "0";
	if(s2 == "10"){
		s1.push_back('0');
		return s1;
	}if(m.count(s1) and m[s1].count(s2))
		return m[s1][s2];
	if(s1.size() == 1 and s2.size() == 1)
		return m[s1][s2] = to_string((s1[0] - '0') * (s2[0] - '0'));
	string ans("0");
	for(char c: s1)
		ans = ans * "10" + s2 * string(1, c);
	return m[s1][s2] = ans;
}bool operator>(string s1, string s2){
	if(s1.size() != s2.size())
		return s1.size() > s2.size();
	return !(s1 < s2 or s1 == s2);
}string operator-(string s1, string s2){
	if(s1 > s2 or s1 == s2){
		reverse(s1.begin(), s1.end());
		reverse(s2.begin(), s2.end());
		s2.resize(s1.size(), '0');
		s1.push_back('0');
		for(size_t i = 0; i < s2.size(); ++i){
			int k = s2[i] - '0';
			s1[i] -= k;
			if(s1[i] < '0'){
				s1[i] += 10;
				--s1[i + 1];
			}
		}while(s1.back() == '0')
			s1.pop_back();
		if(s1.empty())
			return "0";
		reverse(s1.begin(), s1.end());
		return s1;
	}else{
		string s3 = s2 - s1;
		auto it = s3.begin();
		s3.insert(it, '-');
		return s3;
	}
}pair<string, string> div(string s1, string s2){
	int cnt = 0;
	if(s2 > s1) return pair<string, string>("0", s1);
	do
		++cnt;
	while((s1 = s1 - s2) > s2 or s1 == s2);
	return pair<string, string>(to_string(cnt), s1);
}string operator/(string s1, string s2){
	string s3, ans;
	if(s2 > s1) return "0";
	if(s1.size() - s2.size() <= 8ul)
		return get<0>(div(s1, s2));
	while(s1.size()){
		s3.push_back(s1[0]);
		s1.erase(s1.begin());
		if(s3 > s2){
			pair<string, string> p = div(s3, s2);
			ans.append(get<0>(p));
			s3 = get<1>(p);
		}else if(ans.size())
			ans.push_back('0');
	}return ans;
}string operator%(string s1, string s2){
	return s1 - s1 / s2 * s2;
}signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	string s1, s2;
	cin >> s1 >> s2;
	cout << s1 + s2 << '\n' << s1 - s2 << '\n' << s1 * s2 << '\n' << s1 / s2 << '\n' << s1 % s2;
	return 0;
}