#include <iostream>
#include <vector>
using namespace std;

int min(vector<int>& inputs, int offset, int len)
{
  int min = 2000;
  vector<int>::iterator i = inputs.begin() + offset;
  for (vector<int>::iterator it = i; it - i < len; it++) {
    if (*it < min)
      min = *it;
  }
  return min;
}

int main(void)
{
  vector<int> inputs(5);
  for (int i=0; i<5; i++)
    cin >> inputs[i];

  int pasta_min = min(inputs, 0, 3);
  int juice_min = min(inputs, 3, 2);

  cout << pasta_min + juice_min - 50 << endl;
}