#include using namespace std; #define REP(i,n) for(int i=0; i<(int)(n); i++) #define FOR(i,b,e) for (int i=(int)(b); i<(int)(e); i++) #define ALL(x) (x).begin(), (x).end() const double PI = acos(-1); void paint(vector &block, int k, int x) { REP (i, k) block[x+i] = 1; cout << k << " " << (x+1) << endl; cout.flush(); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; vector block(n); if (n % 2) paint(block, 1, n/2); else paint(block, 2, n/2-1); while (1) { int t; cin >> t; if (t == 0 || t == 1) break; int k, x; cin >> k >> x; --x; REP (i, k) block[x+i] = 1; if (t == 2) break; k = 0; x = n; REP (i, n) { if (block[i] == 0 && block[n-1-i] == 1) { ++k; x = min(x, i); } } paint(block, k, x); } return 0; }