#include<iostream>
using namespace std;

int main(){
	int first = 0;
	int second = 0;
	int third = 0;

	for(int i = 0; i < 10; i++){
		int num;

		if(first <= num){
			third = second;
			second = first;
			first = num;
		}else if((second <= num) && (num < first) ){
			thid = second;
			second = num;
		}else if((third <= num) && (num < second)){
			third = num;
		}else{
			//???????????????
		}
	}
	cout << first << endl;
	cout << second << endl;
	cout << third << endl;
	
    return 0;
}