#include using namespace std; #define fst(t) std::get<0>(t) #define snd(t) std::get<1>(t) #define thd(t) std::get<2>(t) #define unless(p) if(!(p)) #define until(p) while(!(p)) using ll = long long; using P = std::tuple; const int dx[8] = {-1, 1, 0, 0, -1, -1, 1, 1}, dy[8] = {0, 0, -1, 1, -1, 1, -1, 1}; int N, D; int T[110], K[110]; int dp[110][2]; int main(){ std::cin.tie(nullptr); std::ios::sync_with_stdio(false); std::cin >> N >> D; for(int i=0;i> T[i] >> K[i]; } dp[0][0] = 0; dp[0][1] = -1001001001; for(int i=0;i