import java.io.*;
class array1a
{
public static void main(String args[] )
{
int days_of_the_month[];
days_of_the_month=new int[12];
days_of_the_month[0]=31;
days_of_the_month[1]=28;
days_of_the_month[2]=31;
days_of_the_month[3]=30;
days_of_the_month[4]=31;
days_of_the_month[5]=30;
days_of_the_month[6]=31;
days_of_the_month[7]=31;
days_of_the_month[8]=30;
days_of_the_month[9]=31;
days_of_the_month[10]=30;
days_of_the_month[11]=31;
System.out.println("Month April is "+days_of_the_month[3]+" days long");
}
}