Write a program that computes the value of a+aa+aaa+aaaa with a given digit as the value of a.


Topic: Write a program that computes the value of a+aa+aaa+aaaa with a given digit as the value of a.

Solution

a = input()
n1 = int( "%s" % a )
n2 = int( "%s%s" % (a,a) )
n3 = int( "%s%s%s" % (a,a,a) )
n4 = int( "%s%s%s%s" % (a,a,a,a) )
print(n1+n2+n3+n4)



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