#include<stdio.h>

int main(){
  int i, j, memory;
  int total = 0;
  int max = 0;
  int ceil_min[5]= {};
  int order[5] = {}; 
  scanf("%d %d %d %d %d", &order[0],  &order[1], &order[2], &order[3], &order[4]);
  for(i = 0; i < 5; i++){
    ceil_min[i] = ceil(order[i]);
  }
  
  for(i = 0; i < 5; i++){
    if(max < ceil_min[i] - order[i]){
      max = order[i];
      memory = i;
    }
  }
  
  for(j = 0; j < 5; j++){
    if(j == memory){
      total += order[j];
    }
    else{
      total += ceil_min[j];
    }
  }
  printf("%d", total);

  return 0;
}
