#!/bin/bash

echo "Input numbers"
read input1
echo "Input numbers"
read input2

if [ "$input1" == "$input2" ]
then
echo "Match"
else
echo " The numbers that don't match are: "

awk -v a="$input1" -v b="$input2" 'BEGIN {x=split(a,arra," ");y=split(b,arrb,"
")

if ( x > y)
{ for ( i=1; i<=x; i++)
if ( arra[i] != arrb[i] )
{
if ( arra[i] == arrb[i+1] )
{
print arrb[i]
break
}
else if ( arra[i+1] == arrb[i] )
{
print arra[i]
break
}
else
print arra[i] " <---> " arrb[i]
}
exit }
else if ( x < y )
{ for ( i=1; i<=y; i++)
if ( arra[i] != arrb[i] )
{
if ( arra[i] == arrb[i+1] )
{
print arrb[i]
break
}
else if ( arra[i+1] == arrb[i] )
{
print arra[i]
break
}
else
print arra[i] " <---> " arrb[i]
}
exit }
else ( x = y )
{ for (i=1; i<=x; i++)
if ( arra[i] != arrb[i])
{
if ( arra[i] == arrb[i+1] )
{
print arrb[i]
break
}
else if ( arra[i+1] == arrb[i] )
{
print arra[i]
break
}
else
print arra[i] " <---> " arrb[i]
}
exit }
}'

fi