#include <bits/stdc++.h>   using namespace std;   void bringToTen(int &k, int &rating, vector<int> &bucket) {     for (int i = 9; i > 0; i--) {       int x = 0;       while (x < 100) {         int h = min(k / (10 - i), bucket[x + i]);         k -= h * (10 - i);         bucket[x + 10] += h;         rating += h;         bucket[x + i] -= h;         x += 10;       }     }   }   void addToTen(int &k, int &rating, vector<int> &bucket) {     int x = 0;     while (x < 100) {       int h = min(k / 10, bucket[x]);       rating += h;       bucket[x + 10] += h;       bucket[x] -= h;       k -= 10 * h;       x += 10;     }   }   int main(void) {     int n, k, rating = 0, h;     scanf(  %d %d , &n, &k);     vector<int> a(n);     for (int(i) = (0); i < (n); i++) scanf(  %d , &a[i]);     vector<int> num(101, 0);     for (int(i) = (0); i < (n); i++) {       num[a[i]]++;       rating += a[i] / 10;     }     bringToTen(k, rating, num);     addToTen(k, rating, num);     printf( %d n , rating);     return 0;   }   