Tasks

/*#include <iostream>

int main()
{
    int n,m;
    std::cin>>n>>m;
    std::cout<<m-(n+n+5);
}*/
/*
#include<iostream>

int main()
{
    int n,l,k;
    std::cin>>n>>l>>k;
    int sum{0};
    for (int i{0}; i<n; ++i) {
        sum+=l;
        l+=k;
    }
    std::cout<<sum;
}*/
/*
#include<iostream>

int main()
{
    int number;
    std::cin>>number;
    int sum=0;
    int fake=number;
    while(number)
    {
        int a=number%10;
        sum+=a*a*a;
        number/=10;
    }
    if(sum==fake){std::cout<<"Yes";}
    else{std::cout<<"No";}
}*/
/*
#include<iostream>

int main()
{
    int a[10]{};
    int n;
    std::cin>>n;
    for (int i=0; i<n; ++i) {
        int x;
        std::cin>>x;
        a[x]++;
    }
    for (int i=1; i<=8; ++i) {
        std::cout<<i<<" "<<a[i]<<" ";
    }
}*/