//#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main()
{
  int a,b,c,d,e;
  cin >>a>>b>>c>>d>>e;
  int a1,b1,c1,d1,e1;
  int a2,b2,c2,d2,e2;
  a1=a%10;
  a2=a/10;
  if(a1!=0)a2++;
  b1=b%10;
  b2=b/10;
  if(b1!=0)b2++;
  c1=c%10;
  c2=c/10;
  if(c1!=0)c2++;
  d1=d%10;
  d2=d/10;
  if(d1!=0)d2++;
  e1=e%10;
  e2=e/10;
  if(e1!=0)e2++;
  int hasuu;
  int kotae;
  if(a1+b1+c1+d1+e1==0){
    hasuu=0;
    kotae=(a2+b2+c2+d2+e2)*10;
    cout<<kotae<<endl;
    return 0;
  }else{
    if(a1==0)a1=INT_MAX;
    if(b1==0)a1=INT_MAX;
    if(c1==0)a1=INT_MAX;
    if(d1==0)a1=INT_MAX;
    if(e1==0)a1=INT_MAX;
    hasuu=min({a1,b1,c1,d1,e1});
    kotae=(a2+b2+c2+d2+e2)*10+hasuu-10;
    cout<<kotae<<endl;
    return 0;
  }
}