Hello World Checker

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I am sure many of you have seen `Hello World` programs as the first thing you have learnt in almost every programming language. This time, you are supposed to code a program to check whether the `Hello World` is indeed correctly printed! ### Input - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains of a single line of input, two integers $M, R$.

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solution.cppC++17

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