Function Main
    Declare Integer year
    
    Output "Enter a year:"
    Input year
    If (year%100 == 0 && year%400 == 0) || (year%100 != 0 && year%4   == 0)
        Output year & " is a leap year"
    Else
        Output year & " is a leap year"
    End
End

#include <stdio.h>  
  
int main()  
{  
    int year;  
  
    printf("Enter a year:");  
    scanf("%d", &year);  
  
    if( (year%100 == 0 && year%400 == 0) ||  
        (year%100 != 0 && year%4   == 0)   )  
    {  
        printf("%d is a leap year\n", year);  
    }  
    else  
    {  
        printf("%d is not a leap year\n", year);  
    }  
  
    return 0;  
}