p should be prime
p = 113 ; NEW_LINE x = STonelli ( n , p ) ; NEW_LINE if ( x == - 1 ) : NEW_LINE INDENT print ( " Modular square root is not exist " ) ; NEW_LINE DEDENT else : NEW_LINE INDENT print ( " Modular ▁ square ▁ root ▁ of " , n , " and " , p , " is " , x ) ; NEW_LINE DEDENT