#include <iostream>

#include <string>

#include <sstream>

using namespace std;

int main()

{

string x;

while (cin >> x)

{

int a=0,b=0;

string y,z;

stringstream temp;

for (int i = 0; i < x.length(); i++)

{

a = ((int)x[1 + i] - int(x[0 + i]));

a = abs(a); //絕對值

temp << a;

temp >> z;

y = y + z;

temp.str("");

temp.clear();

}

y.erase(y.length() - 2, 2);

cout << y << endl;

}

}