Processing math: 100%
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Problem C: Repetitive Processing - Swapping Two Numbers

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Time Limit 1 秒/Second(s) Memory Limit 512 兆字节/Megabyte(s)
提交总数 1625 正确数量 584
裁判形式 标准裁判/Standard Judge 我的状态 尚未尝试
难度 分类标签 STL

Swapping Two Numbers 

Write a program which reads two integers x and y, and prints them in ascending order.

The input consists of multiple datasets. Each dataset consists of two integers x and y separated by a single space. 

The input ends with two 0 (when both x and y are zero). Your program should not process for these terminal symbols.

For each dataset, print x and y in ascending order in a line. Put a single space between x and y.
3 2
2 2
5 3
0 0
2 3
2 2
3 5

0 ≤ x, y ≤ 10000 

the number of datasets ≤ 3000

AOJ
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