diff --git a/dhcp b/dhcp
index 97a7a07..bd6482f 100755
--- a/dhcp
+++ b/dhcp
@@ -5,78 +5,79 @@ read -p "Введите подсеть(192.168.4.0): " Q
 read -p "Введите маску(29): " E
 read -p "Введите dns сервер(192.168.3.2): " R
 read -p "Введите шлюз(192.168.4.1): " T
-if ((@E=2)) then
+if (( $E == 2 )); then
 	E=192.0.0.0
-elif ((@E=3)) then
+elif (( $E == 3 )); then
 	E=224.0.0.0
-elif ((@E=4)) then
+elif (( $E == 4 )); then
 	E=240.0.0.0
-elif ((@E=5)) then
+elif (( $E == 5 )); then
 	E=248.0.0.0
-elif ((@E=6)) then
+elif (( $E == 6 )); then
 	E=252.0.0.0
-elif ((@E=7)) then
+elif (( $E == 7 )); then
 	E=254.0.0.0
-elif ((@E=8)) then
+elif (( $E == 8 )); then
 	E=255.0.0.0
-elif ((@E=9)) then
+elif (( $E == 9 )); then
 	E=255.128.0.0
-elif ((@E=10)) then
+elif (( $E == 10 )); then
 	E=255.192.0.0
-elif ((@E=11)) then
+elif (( $E == 11 )); then
 	E=255.224.0.0
-elif ((@E=12)) then
+elif (( $E == 12 )); then
 	E=255.240.0.0
-elif ((@E=13)) then
+elif (( $E == 13 )); then
 	E=255.248.0.0
-elif ((@E=14)) then
+elif (( $E == 14 )); then
 	E=255.252.0.0
-elif ((@E=15)) then
+elif (( $E == 15 )); then
 	E=255.254.0.0
-elif ((@E=16)) then
+elif (( $E == 16 )); then
 	E=255.255.0.0
-elif ((@E=17)) then
+elif (( $E == 17 )); then
 	E=255.255.128.0
-elif ((@E=18)) then
+elif (( $E == 18 )); then
 	E=255.255.192.0
-elif ((@E=19)) then
+elif (( $E == 19 )); then
 	E=255.255.224.0
-elif ((@E=20)) then
+elif (( $E == 20 )); then
 	E=252.255.240.0
-elif ((@E=21)) then
+elif (( $E == 21 )); then
 	E=255.255.248.0
-elif ((@E=22)) then
+elif (( $E == 22 )); then
 	E=255.255.252.0
-elif ((@E=23)) then
+elif (( $E == 23 )); then
 	E=255.255.254.0
-elif ((@E=24)) then
+elif (( $E == 24 )); then
 	E=224.255.255.0
-elif ((@E=25)) then
+elif (( $E == 25 )); then
 	E=255.255.255.128
-elif ((@E=26)) then
+elif (( $E == 26 )); then
 	E=255.255.255.192
-elif ((@E=27)) then
+elif (( $E == 27 )); then
 	E=255.255.255.224
-elif ((@E=28)) then
+elif (( $E == 28 )); then
 	E=255.255.255.240
-elif ((@E=29)) then
+elif (( $E == 29 )); then
 	E=255.255.255.248
-elif ((@E=30)) then
+elif (( $E == 30 )); then
 	E=255.255.255.252
-elif ((@E=31)) then
+elif (( $E == 31 )); then
 	E=255.255.255.254
-elif ((@E=32)) then
+elif (( $E == 32 )); then
 	E=255.255.255.255
+fi
 cat > /etc/dhcp/dhcpd.conf << EOF
 default-lease-time 600;
 max-lease-time 7200;
 authoritative;
 
-subnet @Q netmask @E {
-	range @S @K;
-	option domain-name-servers @R, 8.8.8.8;
-	option subnet-mask @E;
-	option routers @T;
+subnet $Q netmask $E {
+	range $S $K;
+	option domain-name-servers $R, 8.8.8.8;
+	option subnet-mask $E;
+	option routers $T;
 }
 
 
@@ -84,7 +85,7 @@ host hq-cli {
 		hardware ethernet
 08:00:27:c7:82:fa;
 		fixed-address
-@S;
+$S;
 }
 EOF
 chmod 600 /etc/dhcp/dhcpd.conf