#include <limits>
#include <iostream>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <map>
#include <queue>

static const int MOD = 1000000007;
using ll = long long;
using u32 = unsigned;
using namespace std;

template<class T>
constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;

int main() {
    int a, b;
    cin >> a >> b;
    string s = to_string(b-a);
    if('1' <= s[0] && s[0] <= '9'){
        s = "+" + s;
    }
    cout << s << "\n";
    return 0;
}