TheWireUs-Day4

#include <bits/stdc++.h>
#define ll long long
using namespace std;

int main()
{
    string s;
    cin >> s;
    for (ll i = 0; i < s.length() - 1; i++)
    {
        cout << s[i] << (ll)(s[i + 1] - s[i]);
    }
    cout << s[s.length() - 1] << "\n";

    return 0;
}