1 #include <iostream>
2 #include <algorithm>
3 #include <cstring>
4 using namespace std;
5
6 const int maxn = 1000000 + 5;
7 int v[maxn];
8 int c[maxn];
9 int dp[maxn];
10
11 int main(){
12 ios::sync_with_stdio(false);
13 int n, w;
14 cin >> n >> w;
15 for (int i = 1; i <= n; i++){
16 cin >> v[i] >> c[i];
17 }
18 memset(dp, 0, sizeof(dp));
19 for (int i = 1; i <= n; i++){
20 for (int j = w; j >= 0; j--){
21 if (v[i]<=j)
22 dp[j] = max(dp[j], dp[j - v[i]] + c[i]);
23 }
24 }
25 cout << dp[w] << endl;
26 return 0;
27 }
