With the help of this program, you can check whether a year is a leap year or not.

**Source Code:**

```
year = int(input("Enter a year:- ")) # Here, you take the input from the user
if(((year % 4 == 0) and (year % 100 != 0)) or (year % 400 == 0)):
"""
if a year is a multiple of four and a multiple of 100 i.e. if it is a multiple of 400 it is not a leap year
"""
print("{0} is a leap year!!".format(year))
"""
printing the output
"""
else:
print("{0} is not a leap year!!".format(year))
```

Code language: PHP (php)