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Back to 254271 Fun of Prog 63 - Review 2

E. Super hello world

Problem

Write a program that prints "hello world" 20 times. Use a loop.

Examples

Input


                

Output

hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world

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