12468 - Zapping

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define endl '\n'
#define sz(x) int(x.size())
#define all(x) x.begin(), x.end()

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int a, b;
    while (scanf("%d %d", &a, &b), ~a && ~b) {
        cout << min(100 - abs(a - b), abs(a - b)) << endl;
    }
    return 0;
}