#!/bin/bash



 


count=${#1} 
if test $count -ne 4
then echo "the number must be four-digits"

fi

n1=`echo $1 | cut -c1`
n2=`echo $1 | cut -c2`
n3=`echo $1 | cut -c3`
n4=`echo $1 | cut -c4`

echo "$n1,$n2,$n3,$n4"


if test -e quiz2.txt ; then
 cat /dev/null >quiz2.txt
fi




for i in + - '*'
do
for j in + - '*'

do
for k in + - '*'
do
ans=$(( $n1 $i $n2 $j $n3 $k $n4 ))
if [ $ans = 10 ] ; 
then echo  " $n1 $i $n2 $j $n3 $k $n4 " >>quiz2.txt
 
fi

done
done
done


for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $(( $n1 $i $n2 )) $j $n3 $k $n4 ))
if [ $ans = 10 ] ;
then echo  " ( $n1 $i $n2 ) $j $n3 $k $n4 " >>quiz2.txt

fi

done
done
done



for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $n1 $i $n2 $j $(( $n3 $k $n4 )) ))
if [ $ans = 10 ] ;
then echo  " $n1 $i $n2 $j ($n3 $k $n4) " >>quiz2.txt

fi

done
done
done


for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $(($n1 $i $n2 )) $j $(( $n3 $k $n4 )) ))
if [ $ans = 10 ] ;
then echo  "  ($n1 $i $n2 ) $j ( $n3 $k $n4 ) " >>quiz2.txt


fi

done
done
done


for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $(( $n1 $i $n2 $j $n3 )) $k $n4 ))
if [ $ans = 10 ] ;
then echo  "  ( $n1 $i $n2 $j $n3 )$k $n4 " >>quiz2.txt

fi

done
done
done


for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $n1 $i $(( $n2 $j $n3 $k $n4 )) ))
if [ $ans = 10 ] ;
then echo  " $n1 $i ( $n2 $j $n3 $k $n4 ) " >>quiz2.txt

fi

done
done
done


for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $n1 $i $(( $n2 $j $n3 )) $k $n4 ))
if [ $ans = 10 ] ;
then echo  " $n1 $i ( $n2 $j $n3 ) $k $n4 " >>quiz2.txt

fi

done
done
done



for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $(( $(( $n1 $i $n2 )) $j $n3 )) $k $n4 ))
if [ $ans = 10 ] ;
then echo  " ( ( $n1 $i $n2 ) $j $n3 ) $k $n4 " >>quiz2.txt

fi

done
done
done


for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $n1 $i $(( $n2 $j $(( $n3 $k $n4)) )) ))
if [ $ans = 10 ] ;
then echo  " $n1 $i ( $n2 $j ( $n3 $k $n4 ) ) " >>quiz2.txt

fi

done
done
done


for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $(( $n1 $i $(( $n2 $j $n3)) )) $k $n4 ))
if [ $ans = 10 ] ;
then echo  " ( $n1 $i ( $n2 $j $n3 ) ) $k $n4 " >>quiz2.txt

fi

done
done
done


for i in + - '*'
do
for j in + - '*'
do
for k in + - '*'
do
ans=$(( $n1 $i $(( $(( $n2 $j $n3 )) $k $n4 )) ))
if [ $ans = 10 ] ;
then echo  " $n1 $i ( ( $n2 $j $n3 ) $k $n4 ) " >>quiz2.txt

fi

done
done
done




if test -s quiz2.txt ; then
cat quiz2.txt
else echo "Can't Make 10"
fi