#include<bits/stdc++.h>
using namespace std;

const long long INF = 1LL << 60;
#define MOD 1000000007;

typedef long long ll;

#define writeln(n) cout<<n<<endl;
#define rep(i,n) for(int i=0; i<n; i++);

typedef pair<float, float> P;

typedef pair<string, int> Psi;

int d[3]={1,2,3};
int main() {

	int maru;
	cin>>maru;

	int n;
	cin>>n;

	for(int i=0; i<n; i++){
		int a,b;
		cin>>a>>b;

		int tmp = d[a-1];
		d[a-1] = d[b-1];
		d[b-1] = tmp;
	}

	writeln(d[maru-1]);


}