29303132333435363738

import java.util.*;

class PrefixToPostfix {
    // Function to convert prefix to postfix
    public String prefixToPostfix(String prefix) {
        Stack<String> s = new Stack<>();
        int n = prefix.length();

        // Traverse the prefix expression from right to left
        for (int i = n - 1; i >= 0; i--) {
            char c = prefix.charAt(i);

            // If the character is an operand, push it to the stack
            if (Character.isLetterOrDigit(c)) {
                s.push(String.valueOf(c));
            } else {
                // Pop two operands from the stack
                String op1 = s.pop();
                String op2 = s.pop();

                // Form the new postfix expression and push back to stack
                s.push(op1 + op2 + c);
            }
        }

        // The final element in the stack is the result
        return s.peek();
    }
}

public class Main {
    public static void main(String[] args) {
        PrefixToPostfix converter = new PrefixToPostfix();
        String prefix = "*-A/BC-/AKL";
        System.out.println("Postfix Expression: " + converter.prefixToPostfix(prefix));
    }
}

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# Function to convert prefix to postfix
def prefix_to_postfix(prefix):
    stack = []
    
    # Traverse the prefix expression from right to left
    for c in reversed(prefix):
        # If the character is an operand, push it to the stack
        if c.isalnum():
            stack.append(c)
        else:
            # Pop two operands from the stack
            op1 = stack.pop()
            op2 = stack.pop()

            # Form the new postfix expression and push back to stack
            stack.append(op1 + op2 + c)
    
    # The final element in the stack is the result
    return stack[-1]

# Main function for testing
def main():
    prefix = "*-A/BC-/AKL"
    print("Postfix Expression:", prefix_to_postfix(prefix))

if __name__ == "__main__":
    main()

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// Function to convert prefix to postfix
function prefixToPostfix(prefix) {
    let stack = [];

    // Traverse the prefix expression from right to left
    for (let i = prefix.length - 1; i >= 0; i--) {
        let c = prefix[i];

        // If the character is an operand, push it to the stack
        if (/[a-zA-Z0-9]/.test(c)) {
            stack.push(c);
        } else {
            // Pop two operands from the stack
            let op1 = stack.pop();
            let op2 = stack.pop();

            // Form the new postfix expression and push back to stack
            stack.push(op1 + op2 + c);
        }
    }

    // The final element in the stack is the result