PROGRAMMING:arithmatic expression 1

Develop a c program that will do an arithmetic calculation （+, -, *, /, %）.
### Input Specification:
Input an operator in the first line.
Input 2 integer numbers in the second line.
### Output Specification:
For each test case, print in a line whole expression.
### Sample Input:
Write a sample input here. For example:
```in
/
47 3
```
### Sample Output:
Write the corresponding sample output here. For example:
```out
47 / 3 = 15
```







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