#include<iostream>
using namespace std;
int func();
int main()
{
    int i=2;
    cout<<i<<endl;
    for(int x=0;x<1;x++)
    {
        int i=10;
        cout<<i<<endl;
    }
    i=i+1;
    cout<<i<<endl;
    {
        i=i*i;
        cout<<i<<endl;
    }
}