1.start

2.get n from input

3.if (n<=10): Go to 7

4.if(((n/10)%10 - n%10)!=1 and ((n/10)%10 - n%10)!=-1): print("It is not stepping"), Go to 8

5.n=n/10

6.if(n>0): Go to 4

7.print("It is stepping")

8.finish