#define ATCODER #define _USE_MATH_DEFINES #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; using ld = long double; using pll = pair; using pdd = pair; //template using pq = priority_queue, greater>; #define FOR(i, a, b) for(ll i=(a); i<(b);i++) #define REP(i, n) for(ll i=0; i<(n);i++) #define ROF(i, a, b) for(ll i=(b-1); i>=(a);i--) #define PER(i, n) for(ll i=n-1; i>=0;i--) #define REPREP(i,j,a,b) for(ll i=0;i > #define VV2(type,n,m,val) vector< vector > val;val.resize(n);for(ll i;i #define VEC(type,n,val) vector val;val.resize(n) #define VL vector #define VVL vector< vector > #define VP vector< pair > #define SZ size() #define all(i) begin(i),end(i) #define SORT(i) sort(all(i)) #define BITI(i) (1<>i) & 1) != 0) #define ALLBIT(n) (ll(1)<v?v:n #define MP(a,b) make_pair(a,b) #define DET2(x1,y1,x2,y2) (x1)*(y2)-(x2)*(y1) #define DET3(x1,y1,z1,x2,y2,z2,x3,y3,z3) (x1)*(y2)*(z3)+(x2)*(y3)*(z1)+(x3)*(y1)*(z2)-(z1)*(y2)*(x3)-(z2)*(y3)*(x1)-(z3)*(y1)*(x2) #define INC(a) for(auto& v:a)v++; #define DEC(a) for(auto& v:a)v--; #define SQU(x) (x)*(x) #define L0 ll(0) #ifdef ATCODER #include using namespace atcoder; using mint = modint1000000007; using mint2 = modint998244353; #endif template vector read(size_t n) { vector ts(n); for (size_t i = 0; i < n; i++) cin >> ts[i]; return ts; } template void read_tuple_impl(TV&) {} template void read_tuple_impl(TV& ts) { get(ts).emplace_back(*(istream_iterator(cin))); read_tuple_impl(ts); } template decltype(auto) read_tuple(size_t n) { tuple...> ts; for (size_t i = 0; i < n; i++) read_tuple_impl(ts); return ts; } using val = pair; using func = pair; val op(val a, val b) { return make_pair(a.first + b.first, a.second + b.second); } val e() { return make_pair(0, 0); } val mp(func f, val a) { if (f.first < 0) return a; return f; } func comp(func f, func g) { if (g.first < 0) return f; return g; } func id() { return MP(-1, -1); } ll di[4] = { 1,0,-1,0 }; ll dj[4] = { 0,1,0,-1 }; ll si[4] = { 0,3,3,0 }; ll sj[4] = { 0,0,3,3 }; //ll di[4] = { -1,-1,1,1 }; //ll dj[4] = { -1,1,-1,1 }; ll di8[8] = { 0,-1,-1,-1,0,1,1,1 }; ll dj8[8] = { -1,-1,0,1,1,1,0,-1 }; void dfs(ll id, ll a, ll b, vector& res) { if (id == 2 * (a * a + b * b)) { for (auto& ss : res) { cout << ss << "\n"; } cout << "\n"; return; } ll ab = a * a + b * b; char c = 'b'; ll v = b; if (id < ab) { v = a; c = 'a'; } REP(i, ab) { REP(j, ab) { bool ok = true; REP(ii, v) { REP(jj, v) { if (!ok) break; ok &= res[(i + ii) % ab][(j + jj) % ab] == '.'; } } if (!ok) continue; REP(ii, v) { REP(jj, v) { res[(i + ii) % ab][(j + jj) % ab] = c; } } dfs(id + 1, a, b, res); REP(ii, v) { REP(jj, v) { if (!ok) break; res[(i + ii) % ab][(j + jj) % ab] = '.'; } } } } } void solve() { ll a, b; cin >> a >> b; bool sw = a < b; if (sw) swap(a, b); ll ab = a * a + b * b; ll g = gcd(a, b); ll dx = ab / g; ll sx = 0, sy = 0; VP ansa, ansb; REP(gg, g) { ll nx = sx, ny = sy; REP(i, ab) { ansa.emplace_back(nx, ny); ansb.emplace_back((nx + a) % ab, ny); nx = (nx + a) % ab; ny = (ny + b) % ab; if (nx == sx && ny == sy) break; } sx += a - b; sy += a + b; } if (sw) { swap(ansa, ansb); swap(a, b); } REP(i, ab) cout << ansa[i].first % ab << " " << ansa[i].second % ab << "\n"; REP(i, ab) cout << ansb[i].first % ab << " " << ansb[i].second % ab << "\n"; //vector res(ab, string(ab, '.')); //for (auto& [xx, yy] : ansa) { // REP(i, a) { // REP(j, a) { // ll x0 = (xx + i) % ab; // ll y0 = (yy + j) % ab; // assert(res[x0][y0] == '.'); // res[x0][y0] = 'A'; // } // } //} //for (auto& [xx, yy] : ansb) { // REP(i, b) { // REP(j, b) { // ll x0 = (xx + i) % ab; // ll y0 = (yy + j) % ab; // assert(res[x0][y0] == '.'); // res[x0][y0] = 'B'; // } // } //} //REP(i, ab) // cout << res[i] << "\n"; return; } int main() { ll t = 1; //cin >> t; while (t--) { solve(); } return 0; }