#include<iostream>
#include<fstream>

using namespace std;

int main(){

    ifstream ifs("in1.txt");

    int i;
    int height[3]={};
    int tmp, tmp2;
    string str;

    //while(getline(ifs,str)){
    while(cin >> str){
        sscanf(str.c_str(),"%d",&tmp);
        if(0<=tmp && tmp <=10000){
            for(i=0;i<3;i++){
                if(height[i] < tmp){
                    tmp2 = height[i];
                    height[i] = tmp;
                    tmp = tmp2;
                }
            }
        }
    }

    for(i=0;i<3;i++){
        cout << height[i] << endl;
    }

    return 0;
}