Play with Strings!

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Nahar and Samsher were playing with strings. Suddenly Munshiji came and altered their strings. Munshiji put some special symbols, numbers and repeated some alphabets. Nahar and Samsher need your help. Your task is to eliminate all non-alphabetic characters. If there are some repeated alphabets append them at the end of the string in the order in which they appeared. Input format Input consists o

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solution.cppC++17

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