#include <iostream>
#include <cstdio>
#include <algorithm>

using namespace std;

int tall[5000];
int idx=0;

int main(){
while(~scanf("%d",tall+idx)){
idx++;
}

sort(tall,tall+idx,greater<int>());

for(int i=0;i<3;i++){
printf("%d\n",tall[i]);
}

}