Go: package main

import (
	"bufio"
	"fmt"
	"math"
	"os"
	"strconv"
	"strings"
)

const MaxW = 1000
const MaxN = 1000

type Tuple struct {
	Value  int
	Weight int
}

func nextLine(sc *bufio.Scanner) string {
	sc.Scan()
	return sc.Text()
}

func solve(w int, n int, vws []Tuple) Tuple {
	var dp [MaxN + 1][MaxW + 1]int

	for i := 0; i < n; i++ {
		for j:= w; j > 0; j-- {
			if j < vws[i].Weight {
				dp[i + 1][j] = dp[i][j]
			} else {
				dp[i + 1][j] = int(math.Max(float64(dp[i][j]), float64(dp[i][j - vws[i].Weight] + vws[i].Value)))
			}
		}
	}

	maxValue := dp[n][w]
	minWeight := w

	for j := w - 1; j > 0; j-- {
		if maxValue == dp[n][j] {
			minWeight = j
		} else {
			break
		}
	}

	return Tuple{Value: maxValue, Weight: minWeight}
}

func main() {
	var sc = bufio.NewScanner(os.Stdin)
	index := 1
	for {
		var w, n int
		w, _ = strconv.Atoi(nextLine(sc))
		if w == 0 {
			return
		}
		n, _ = strconv.Atoi(nextLine(sc))

		vws := make([]Tuple, n, n)
		for i := 0; i < n; i++ {
			array := strings.Split(nextLine(sc), ",")
			v, _ := strconv.Atoi(array[0])
			w, _ := strconv.Atoi(array[1])
			vws[i] = Tuple{Value: v, Weight: w}
		}

		t := solve(w, n, vws)
		fmt.Printf("Case %d:\n", index)
		fmt.Println(t.Value)
		fmt.Println(t.Weight)
		index++
	}
}

C++: #include <bits/stdc++.h>
using namespace std ;

#define pb(n) push_back(n)
#define fi first
#define se second
#define all(r) (r).begin(),(r).end()
#define gsort(st,en) sort((st),(en),greater<int>())
#define vmax(ary) *max_element(all(ary))
#define vmin(ary) *min_element(all(ary))
#define debug(x) cout<<#x<<": "<<x<<endl
#define fcout(n) cout<<fixed<<setprecision((n))
#define scout(n) cout<<setw(n)
#define vary(type,name,size,init) vector< type> name(size,init)

#define rep(i,n) for(int i = 0; i < (int)(n);++i)
#define REP(i,a,b) for(int i = (a);i < (int)(b);++i)
#define repi(it,array) for(auto it = array.begin(),end = array.end(); it != end;++it)
#define repa(n,array) for(auto &n :(array))

using ll = long long;
using vi = vector<int>;
using vl = vector<ll>;
using dict = map<string,int>;
using pii = pair<int,int> ;

constexpr int imax = ((1<<30)-1)*2+1 ;
constexpr int inf = 100000000;
constexpr double PI = acos(-1.0) ;
double eps = 1e-10 ;
const int dy[] = {-1,0,1,0};
const int dx[] = {0,-1,0,1};

inline bool value(int x,int y,int w,int h){
  return (x >= 0 && x < w && y >= 0 && y < h);
}

template<typename T>
void Unique(vector<T> &v){
  sort(all(v));
  v.erase(unique(all(v)),v.end());
}

template<typename T>
T ston(string& str, T n){
  istringstream sin(str) ;
  T num ;
  sin >> num ;
  return num ;
}

void Ans(bool f){
  if(f) cout << "YES"<<endl;
  else cout << "NO"<<endl;
}

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  int w,n;
  int cnt = 1;
  char c;
  while(cin >> w){
    if(w == 0) break;
    cin >> n;
    vary(int,vs,n,0);
    vary(int,ws,n,0);
    vector<vector<pii>> dp(n+1,vector<pii>(w+1,make_pair(0,0)));
//     vector<vector<int>> dp2(n+1,vector<int>(w+1,0));
    rep(i,n){
      cin >> vs[i] >> c >> ws[i];
    }
    REP(i,0,n){
      rep(j,w){
        if(j <ws[i]){
          dp[i+1][j] = dp[i][j];
//           dp2[i+1][j] = dp2[i][j];
        }
        else{
          pii tmp;
          if(dp[i][j].fi < dp[i][j-ws[i]].fi+vs[i]){
            int k = dp[i][j-ws[i]].fi+vs[i];
            tmp = make_pair(k,j);
          }
          else{
            tmp = dp[i][j];
          }
          dp[i+1][j] = tmp;
//           dp2[i+1][j] = max(dp2[i][j],dp2[i][j-ws[i]]+vs[i]);
        }
      }
    }
    cout << "Case " + to_string(cnt) + ":"<<endl;
    cout << dp[n][w-1].fi <<endl;
    int least_weight;
    rep(j,w){
      if(dp[n][j] < dp[n][j+1])
      {
        least_weight= j+1;
      }
    }
    cout << least_weight <<endl;
    ++cnt;
  }
  return 0;
}

C++: #include <algorithm>
#include <iostream>
#include <map>

using namespace std;

#define fst first
#define snd second
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
typedef pair<int,int> pii;


int dp[1010][1010];

int w[1010];
int c[1010];

int W;
int n;

int loop=1;

int main(void){
	while(cin >> W,W){
		rep(i,1010)rep(j,1010) dp[i][j]=0;

		cin >> n;
		rep(i,n){
			char tmp;
			cin >> c[i] >> tmp >> w[i];
		}


		rep(i,n)rep(j,W+1){
			dp[i+1][j]=max(dp[i+1][j],dp[i][j]);
			if(j+w[i]<=W)
				dp[i+1][j+w[i]]=max(dp[i+1][j+w[i]],dp[i][j]+c[i]);
		}

		int cans=0;
		int wans=-1;

		rep(j,W+1){
			if(dp[n][j] > cans){
				cans=dp[n][j];
				wans=j;
			}
		}

		cout << "Case " << loop++ << ":" << endl;
		cout << cans << endl;
		cout << wans << endl;
		//cout << dp[1][10] << endl;
	}
	return 0;
}

C++: #define _USE_MATH_DEFINES
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<bitset>
#include<cctype>
#include<climits>
#include<cmath>
#include<cstdio>
#include<deque>
#include<list>
#include<map>
#include<set>
#include<stack>
#include<string>
#include<sstream>
#include<queue>
#include<vector>
using namespace std;

#define M_N 1000
#define M_W 10000

typedef pair<int, int> ii; //?????????, ?????????

int W, N;
int v[M_N], w[M_N];
int dp[M_N + 1][M_W + 1][2];

//?????????j??\?????¶??????i????????\????????????????????????
ii dfs(int i, int j) {
	if (dp[i][j][0] != -1)
		return ii(
			dp[i][j][0],
			dp[i][j][1]
		);

	if (i == N) {
		//?????°??¶?????????????????¨???
		return ii(
			dp[i][j][0] = 0,
			dp[i][j][1] = 0
		);
	}
	else if (j < w[i]) {
		//i??????????????????????????¶?????§??\??????????????¨???
		return ii(
			dp[i][j][0] = dfs(i + 1, j).first,
			dp[i][j][1] = dfs(i + 1, j).second
		);
	}
	else {
		//???????????\???????????\??????????????§?????????????????????????????§??¨?????????
		int a = dfs(i + 1, j).first,
			b = dfs(i + 1, j - w[i]).first + v[i];
		if (a > b)
			return ii(
				dp[i][j][0] = a,
				dp[i][j][1] = dfs(i + 1, j).second
			);
		else
			return ii(
				dp[i][j][0] = b,
				dp[i][j][1] = dfs(i + 1, j - w[i]).second + w[i]
			);

	}
}

int main() {
	for (int h = 0; cin >> W, W; h++) {
		cin >> N;
		memset(dp, -1, sizeof(dp));
		for (int i = 0; i < N; i++) {
			char c;
			cin >> v[i] >> c >> w[i];
		}
		cout << "Case " << h << ":" << endl;
		cout << dfs(0, W).first << endl;
		cout << dfs(0, W).second << endl;
	}
	return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <vector>
#include <deque>
#include <queue>
#include <list>
#include <stack>
#include <string>
#include <functional>
#include <numeric>
#include <cmath>
#include <iomanip>
#include <map>
#include <set>
#include <cstdlib>
#define INF 100000000
#define INFLL (long long)1e14
#define Loops(i, n) for(int i = 0; i < (int)n; i++)
#define Loops1(i, n) for(int i = 1; i <= (int)n; i++)
int dp[1000][1000];
int w[1000];
int v[1000];
int N;
int W;
int count=1;
int kati=0,omosa=0;
int main(void){
	while(1){
		std::cin>>W;
		if(W==0){
			break;
		}
		std::cin>>N;
		Loops(i,N){
			scanf("%d,%d",&v[i],&w[i]);
//			std::cin>>w[i]>>v[i];
		}
		Loops(i,1000){
			Loops(j,1000){
				dp[i][j]=0;
			}
		}
		Loops(i,N){
			Loops(j,W+1){
				if(j-w[i]>=0){
					dp[i+1][j]=std::max(dp[i][j],dp[i][j-w[i]]+v[i]);
				}else {
					dp[i+1][j]=dp[i][j];				
				}
			}
		}
		Loops(i,W+1){
			if(kati<dp[N][i]){
				kati=dp[N][i];
				omosa=i;
			}
		}
		std::cout<<"Case 1"<<std::endl;
		std::cout<<kati<<std::endl;
		std::cout<<omosa<<std::endl;
	}
/*	Loops(i,N+1){
		Loops(j,W+1){
			std::cout<<dp[i][j]<<" ";
		}
		std::cout<<std::endl;
	}*/
	return 0;
}