#include<cstdio>
#include<algorithm>
#include<array>
using namespace std;

int main(){
  array<int,10> xs;
  for(int i=0;i<10;++i)scanf("%d",&xs[i]);
  sort(xs.begin(),xs.end(),greater<int>());
  for(int i=0;i<3;++i)printf("%d\n",xs[i]);
  return 0;
}