#include <stdio.h>
int main(){
int num;
printf("please enter a number:\n");
scanf("%d",&num);
if(num==1){
printf("the current into first level\n");
}else if(num==2){
printf("the current into second level\n");
}
else if(num==3){
printf("the current inot third level\n");
}else {
printf("the current into %d level\n",num);
}
return 0;
}
