#include<stdio.h>#define MONTH 12int main(){?int days[MONTH]={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;}