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1002A+B for Polynomials（25分)This time, you are supposed to findA+BwhereAandBare two polynomials.Input Specification:Each input file contains one test case. Each case occupies 2 lines, a...

1001A+B Format（20分)Calculatea+band output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less than four digits).Input Spe...