#include <iostream>
#include <vector>
using namespace std;

int main( )
{
    vector<int> squares( 100 );

    for( int i = 0; i < squares.size( ); i++ )
        squares[ i ] = i * i;

    for( int i = 0; i < squares.size( ); i++ )
        cout << i << " " << squares[ i ] << endl;

    return 0;
}