```go
package main

import (
	"fmt"
)

func main() {
	var n, m, k int
	if _, err := fmt.Scan(&n, &m, &k); err != nil {
		return
	}
	
	win := false
	for i := 0; i < k; i++ {
		var r, c int
		fmt.Scan(&r, &c)
		
		d := r - 1
		if n-r < d {
			d = n - r
		}
		if c-1 < d {
			d = c - 1
		}
		if m-c < d {
			d = m - c
		}
		
		if d <= 4 {
			win = true
		}
	}
	
	if win {
		fmt.Println("YES")
	} else {
		fmt.Println("NO")
	}
}
```