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Competitions

Week 1: November 2 – 8. Introduction to C language. Part 1

abc

In the first line print one letter а. In the second line print two letters b. In the third line print three letters c.

Input

There is no input data.

Output

Print letters а, b and c as stated in the problem statement.

Time limit 1 second
Memory limit 128 MiB
Input example #1
Output example #1
a
bb
ccc