#include <bits/stdc++.h>
const int dx[] = {1,0,-1,0};
const int dy[] = {0,1,0,-1};
using namespace std;
ifstream fin("immortal.in");
ofstream fout("immortal.out");
const int MMAX = 20*21;
const int NMAX = 23;
int M[NMAX][NMAX];
struct bumt{
int x,y
}V[MMAX];

int main()
{
    fin >> n >> m >> k;
    for(int i  = 1; i <= k; i++){
      fin >> V[i].x >> V[i].y;
      M[V[i].x][M[V[i].y] = 1;
    }
    for(int i = 0; i <= n + 1; i++)
        M[i][0] = M[i][m+1] = -1;
    for(int i = 0; i <= m + 1; i++)
        M[0][i] = M[n+1][i] = -1;

    return 0;
}