#include<iostream>
#include<algorithm>
using namespace std;
const int mod=59393;
inline int qpow(int a,int b)
{
	int ret=1;
	while(b)
	{
		if(b&1)
		{
			ret=(long long)
			ret*a%mod;
		}
		a=(long long)
		a*a%mod,b>>=1;
	}
	return ret;
}
int n,m,K,s[mod+5],inv[mod+5],f[25][25];
pair<int,int> a[25];
inline int C(int n,int m)
{
	return n<m?0:(n<mod?(long long)s[n]*inv[m]*inv[n-m]%mod
	:(long long)C(n/mod,m/mod)*C(n%mod,m%mod)%mod);
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	for(int i=s[0]=inv[0]=1;i<=mod;i++)
	{
		s[i]=(long long)s[i-1]*i%mod;
		inv[i]=qpow(s[i],mod-2);
	}
	cin>>n>>m>>K;
	for(int i=1;i<=K;i++)
	{
		cin>>a[i].first>>a[i].second;
	}
	sort(a+1,a+K+1);
	a[0]={1,1},a[++K]={n+1,m+1};
	for(int i=0;i<=K;i++)
	{
		for(int j=i+1;j<=K;j++)
		{
			if(a[i].second>a[j].second)
			{
				continue;
			}
			int n=a[j].first-a[i].first;
			int m=a[j].second-a[i].second;
			long long sum=0;
			for(int k=0;k<=min(n,m);k++)
			{
				sum+=(long long)
				C(n-k+m-k+k,k)*C(n-k+m-k,n-k);
			}
			f[i][j]=sum%mod;
		}
	}
	long long Ans=0;
	for(int i=0;i<(1<<K-1);i++)
	{
		int last=0,ans=1;
		for(int j=1;j<K;j++)
		{
			if(i&(1<<j-1))
			{
				ans=(long long)
				ans*f[last][j]%mod;
				last=j;
			}
		}
		ans=(long long)ans*f[last][K]%mod;
		Ans+=((__builtin_popcount(i)&1)?-1:1)*ans;
	}
	cout<<(Ans%mod+mod)%mod<<endl;
	return 0;
}