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

int main() 
{
    pair <int, int> p1;
    p1.first = 1;
    p1.second = 20;
    
    pair <int, int> p2;
    p2 = make_pair(2, 30);  // line 1
    cout << p1.first << \" \" << p2.second;
    
    return 0;
}