#include<iostream>
#include<vector>
#include<sstream>
using namespace std;
void solve(vector<int>coins,int target){
    vector<int>dp(target+1,target+1);
    dp[0]=0;
    for(int i=0;i<=target;i++){
        for(int c:coins){
            if(i<=c){
                dp[i]=min(dp[i],1+dp[i-c]);
            }
        }
    }
    cout<<dp[target];
}
int main(){
    string line;
    getline(cin,line);
    stringstream ss(line);
    vector<int>coins;
    int target;
    while(ss>x){
            coins.push_back(x);
            break;
        }
    }
    return 0;
}