#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 = tile;
    int sx = 0,sy = 0,x = 0,y = 0;
    while(tile--){
        cout << x << " " << y << "\n";
        x = (x+a)%n, y = (y+b)%n;
        if(x == sx && y == sy){
            sx = (sx+a-b+n)%n;
            sy = (sy+a+b)%n;
            x = sx; y = sy;
        }
    }
    tile = n;
    sx = a,sy = 0,x = a,y = 0;
    while(tile--){
        cout << x << " " << y << "\n";
        x = (x+a)%n, y = (y+b)%n;
        if(x == sx && y == sy){
            sx = (sx+a-b+n)%n;
            sy = (sy+a+b)%n;
            x = sx; y = sy;
        }
    }
}