#include <iostream>
using namespace std;
 
int main()
{
    int nums[13];
 
    int unique = 0;
 
    bool is_not_unique = true;
 
    for (int i = 0; i< 13; i++) {
       cin >> nums[i];
    }
 
    for (int i = 0; i< 13; i++) {
        for (int y = 0;y < 13; y++)    {
           if (nums[i] == nums[y] && i !=y) {
               is_not_unique = true;
           }
        }
        if (is_not_unique == false) {
           unique +=1;
        }
        is_not_unique = false;
    }
    cout <<"Уникальных чисел здесь "<< unique;
}

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MCAxIDIgMyA0IDUgNiA3IDggOQ==

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