flag = True indicates that a pair exists between L and R
if ( $ flag == true ) { echo " ( " , $ possibleA , " , ▁ " , $ possibleB , " , ▁ " , $ possibleC , " ) " , " ▁ is ▁ one ▁ such ▁ possible ▁ triplet ▁ between ▁ " , $ L , " ▁ and ▁ " , $ R , " STRNEWLINE " ; } else { echo " No ▁ Such ▁ Triplet ▁ exists ▁ between ▁ " , $ L , " ▁ and ▁ " , $ R , " STRNEWLINE " ; } }