problem_3.java

import java.util.*;
public class problem_3 {
    public static void main(String[] args) throws Exception
    {
        Scanner read = new Scanner(System.in);
        int principle_amount, time_period;
        float rate_of_interest;
        principle_amount = read.nextInt();
        time_period = read.nextInt();
        rate_of_interest = read.nextFloat();
        System.out.printf("Simple Interest: %f\nCompound Interest:%f",(principle_amount * time_period * rate_of_interest),(principle_amount * (float)Math.pow(1+rate_of_interest,time_period))-principle_amount);
    }
}