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Write an algorithm and draw a program flowchart that will ask the user to input a number (num). Consider the range of numbers from 13 to num. Find all numbers divisible by 7 , then calculate and display the sum of these numbers. I 1. ctr=1 2. s1=0 3. While ctr5 Read num1 s1 = s1 1 num 1 ctr=ctr+1 4. Print s1