#include using namespace std; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FORR(x,arr) for(auto&& x:arr) #define FOR(i,a,b) for (int i = (a); i < (b); i++) #define RFOR(i,a,b) for (int i = (b)-1; i >= (a); i--) #define REP(i,n) for (int i = 0; i < (n); i++) #define RREP(i,n) for (int i = (n)-1; i >= 0; i--) #define ALL(x) (x).begin(), (x).end() #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define RITR(x,c) for(__typeof(c.rbegin()) x=c.rbegin();x!=c.rend();x++) #define BIT(n) (1LL<<(n)) #define SZ(x) ((int)(x).size()) typedef long long ll; // ------------------------------------- void Main() { vector vi; int x, y; REP(i, 10) REP(j, i) REP(k, j) REP(l, k) { _P("%d %d %d %d", i, j, k, l); cout << endl; cin >> x >> y; if (x == 4) return; else if (x+y == 4) { vi.push_back(i); vi.push_back(j); vi.push_back(k); vi.push_back(l); i=j=k=l=10; } } sort(ALL(vi)); do { _P("%d %d %d %d", vi[0], vi[1], vi[2], vi[3]); cout << endl; cin >> x >> y; if (x == 4) return; } while(next_permutation(ALL(vi))); } int main() { cin.tie(0); ios::sync_with_stdio(false); Main(); return 0; }