Without changing the order of the row of digits below find the unique three digit number with a in the ones place and a in the tens place.
r=4
7=9
9=7
9=randfrom("9,7")
if (9==9){
9=9
} elseif (9==7){
9=randfrom("9,7")
}
{
9=randfrom("9,7")
} where (9+7!==2*7)
9=randfrom("9,7")
} where (9+7!==2*7)
7=randfrom("9,7")