编程实现显示用户输入的月份（不包括闰年的月份）拥有的天数

#include<stdio.h>
#define MONTHS 12
int main(){
int days[MONTHS] ={31,28,31,30,31,30,31,31,30,31,30,31};
int month;
do{
printf("Input a month:");
scanf("%d",&month);
}while(month<1||month>12);
printf("The number of days is %d\n",days[month-1]);

return 0;
}