Help me in solving CLEARDAY problem

My issue

Input Format
The first and only line of input will contain two space-separated integers
X
X and
Y
Y, denoting the number of rainy and cloudy days in the week.
Output Format
Output the number of clear days in the week.

Constraints
0

X
,
Y

7
0≤X,Y≤7
0

X
+
Y

7
0≤X+Y≤7
Sample 1:
Input
Output
2 3
2
Explanation:
There are
7
7 days in a week. If there are
2
2 rainy days and
3
3 cloudy days, then the remaining
7

2

3

2
7−2−3=2 days are clear.

Sample 2:
Input
Output
3 4
0
Explanation:
If there are
3
3 rainy days and
4
4 cloudy days, then the remaining
7

3

4

0
7−3−4=0 days are clear.

My code

#include <stdio.h>

int main() {
      
}


Learning course: Algorithmic Problem Solving
Problem Link: https://www.codechef.com/learn/course/klu-problem-solving/KLUPS00/problems/CLEARDAY