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

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int a,b; cin >> a >> b;

    int tile = a*a+b*b,n = a*a+b*b;
    int x = 0,y = 0;
    while(tile--){
        cout << x << " " << y << "\n";
        x = (x+a)%n,y = (y+b)%n;
    }
    x = a,y = 0;
    tile = n;
    while(tile--){
        cout << x << " " << y << "\n";
        x = (x+a)%n; y = (y+b)%n;
    }
}