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

struct p {
	int a;
	int b;
};

#define FF(x, y, z) for(int x =y; x < z; x++)

int main() {
	int hun;
	int groov;
	cin >> hun >> groov;
	vector<int> hunters;
	vector<p> g;
	g.resize(groov);
	FF(i, 1, hun + 1)
    {
		hunters.push_back(i);
    }

	FF(i, 0, groov) {
		int x, index, x2, ind2;
		cin >> x >> index >> x2 >> ind2;
		g[index-1].a = x;
		g[index-1].b = x2;
	}

	for(int i = groov -1; i >= 0; i--) {
		int from = hunters[g[i].a-1];
		hunters[g[i].a-1] = hunters[g[i].b-1];
 		hunters[g[i].b-1] = from;
	}

	FF(i, 0, hunters.size())
	    cout << hunters[i] << endl;


    return 0;
}