#include <stdio.h>
int main(){
int num;
printf("please enter a num:");
scanf("%d",&num);
if(num==1){
printf("its main view is triangle\n");
}else if(num==2){
printf("the top view of the cone is circular\n");
}else if(num==3){
printf("the left view of the cone is triangle\n");
}
return 0;
}
