#include using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) begin(v),end(v) template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } using ll = long long; using pii = pair; constexpr ll INF = 1ll<<30; constexpr ll longINF = 1ll<<60; constexpr ll MOD = 1000000007; constexpr bool debug = false; //---------------------------------// int main() { int N; cin >> N; vector ans; ll x = 1; REP(i, N + 1) { ll y = 1; REP(j, N + 1) { ans.emplace_back(x * y); cout << x << " " << y << endl; y *= 5; } x *= 2; } sort(ALL(ans)); for (ll a : ans) printf("%lld\n", a); }