#include <algorithm> #include <iostream> #include <vector> #include <cmath> #define endl '\n' using namespace std; char a[3000][3000]; int main() { ios :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long k; cin >> k; for (int i = 1; i <= 2025; ++ i) { for (int j = 1; j <= 2025; ++ j) { a[i][j] = '.'; } } for (int i = 1; i <= 2025; ++ i) { for (int j = 1; j <= 2025; ++ j) { if (1ll * (i - 1) * (j - 1) <= k) { a[i][j] = '#'; k -= 1ll * (i - 1) * (j - 1); } } } for (int i = 2025; i >= 1; -- i) { for (int j = 2025; j >= 1; -- j) { if (a[i - 1][j] == '#' or a[i][j - 1] == '#') continue; if (1ll * (2025 - i) * (2025 - j) <= k) { a[i][j] = '#'; k -= 1ll * (2025 - i) * (2025 - j); } } } cout << "2025 2025" << endl; for (int i = 1; i <= 2025; ++ i) { for (int j = 1; j <= 2025; ++ j) { cout << a[i][j]; } cout << endl; } return 0; }