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#include <stdio.h>

int main()
{
    int num;

    //Reading a number from user
    printf("Enter any number to check even or odd: ");
    scanf("%d", &num);

    switch(num % 2)
    {
        //If n%2 == 0
        case 0: printf("Number is even");
                break;

        //Else if n%2 == 1
        case 1: printf("Number is odd");
                break;
    }

    return 0;
}