#include <bits/stdc++.h>
#include <algorithm>
using namespace std;
int main() {

int a,b,c,d[10],e,f;
  cin >> a;
  cin >> b;
  cin >> c;
  cin >> e;
  cin >> f;
  
  if(a%10 != 0){
  d[0] = (a/10+1)*10 -a;
  }
  else if(a%10 ==0) {
    d[0] = 0;
  }
  
   else if(b%10 != 0){
  d[1] = (b/10+1)*10 -b;
  }
  else if(b%10 ==0){
    d[1] = 0;
  }
  
  else if(c%10 != 0){
  d[2] = (c/10+1)*10 -c;
  }
  else if(c%10 == 0){
    d[2] = 0;
  } 
  
  else if(e%10 != 0){
  d[3] = (d/10+1)*10 -d;
  }
  else if(e%10 == 0){
    d[3] = 0;
  } 
  else if(f%10 != 0){
  d[4] = (f/10+1)*10 -f;
  }
  else if(f%10 == 0){
    d[4] = 0;
  } 
  
  sort(d,d+5,greater<int>());
  
  cout << d[1]+d[2]+d[3]+d[4]+(a+b+c+e+f) << endl;
}
  