#include<stdio.h>标签:20,number,教室,printf,允许,class From: https://blog.51cto.com/u_15766378/5787586
int main()
{
int class,number;
scanf("%d%d",&class,&number);
if(class==1&&20<=number<=60)
{
printf("允许进入教室%d\n");
}
else
printf("不允许进入教室%d\n");
return 0;
}