Shell Script For Monitoring System network with ping command

#!/bin/bash 
HOST="google.com" 
COUNT=1 
#PACKET_SIZE=<to_guess> 
SUBJECT="Server is down" 
EMAIL_ADDR="xxx@gmail.com" 
for myhost in $HOST 
do 
    count=0
    for ((i=1; i<=3; i++)) 
    do 
        count=$(($count + $(ping -c $COUNT $myhost | grep received | awk -F ',' '{print $2}' | awk '{print $1}'))) 
        #echo "$count" 
    done 
    if [ $count -eq 0 ]; then 
        echo "Host $myhost is down at $(date)" | mail -s "$SUBJECT" $EMAIL_ADDR 
        #echo "Failed" 
    fi
done