#include<iostream>
#include<string>
#include<cmath>
using namespace std;
string s0, s1, s2;
long long add(string s, string t){
    int len1 = s.size(), len2 = t.size();
    long long result = 0;
    for(int i = 0; i < len1; i++)result += (s[i]-'0') * pow(10, len1-i-1);
    for(int i = 0; i < len2; i++)result += (t[i]-'0') * pow(10, len2-i-1);
    return result;
}
int main(){
    ios::sync_with_stdio(false);
    getline(cin, s0);
    int len = s0.size(), Max = 0;
    for(int i = 1; i < len; i++){
        s1 = s0.substr(0, i); s2 = s0.substr(i, len-i);
        int x = add(s1, s2);
        cout << s1 << '+' << s2 << '=' << x << endl;
        if(x > Max)Max = x;
    }
    cout << "summax is:" << Max;
    return 0;
}