Its better to wait for a productive programmer to become available than it is to wait for the first available programmer to become productive. Steve McConnell
Infix and postfix are the notations to write the expressions. The infix notation put operators in between the operands. The postfix notation put operators after their operands. Write a program convert from infix notation to postfix notation.
Infix (5 + 3) * 12 / 3
Postfix: 5 3 + 12 * 3 /
Infix : 1+3*4/5 Postfix : 134*5/+