#include<stdio.h>
#include<stdlib.h>
#include<iostream>
using namespace std;
int main()
{
    int a=25;
    int b=23;
    int c=15;
    int d=0;
    cout << a << b << endl;
    cout << a << c << endl;
    cout << d << a << endl;
    cout << d << a << endl;
    cout << a << d << endl;
}