PROGRAMMING:3-6. Calculate the minimum of three integers

Write a program to calculate the minimum value of the three integers and display.
*Note the use of if statements.
```
Please enter three integers.
12 67 - 56 (enter)
The minimum value is - 56.
```
###Input example:
Enter three integers on the same line, separated by spaces, and finally enter. For example:
```in
12 67 - 56 (enter)
```
###Output example:
Output prompt, and result. For example:
```out
Please enter three integers.
The minimum value is - 56.
```







answer：If there is no answer, please comment