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Problem B
A Different Problem
Write a program that computes the difference between non-negative integers.
Input
Each line of the input consists of a pair of integers. Each integer is between $0$ and $10^{15}$ (inclusive). The input is terminated by end of file.
Output
For each pair of integers in the input, output one line, containing the absolute value of their difference.
| Sample Input 1 | Sample Output 1 |
|---|---|
10 12 71293781758123 72784 1 12345677654321 |
2 71293781685339 12345677654320 |
