/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*#include<stdio.h>
int main()
{
int k,n;
long long int arr[100001]={};
scanf("%d %d",&k,&n);
for(int i=0;i<k;i++)
{
scanf("%lld",&arr[i]);
arr[k]+=arr[i];
}
for(int i=k+1;i<=n;i++)
{
arr[i]=(arr[i-1]-arr[i-k-1]+arr[i-1]+100007)%100007;
}
printf("%lld",arr[n-1]%100007);
}*/
/*#include<stdio.h>
int main()
{
int a,b,arr[101][101]={},c,i,j;
scanf("%d %d",&a,&b);
arr[1][1]=1;
for(i=0;i<b;i++)
{
for(j=0;j<b;j++)
{
if(arr[])
}
}
}*/
/*#include<stdio.h>
int main()
{
int arr[101][101]={},n,m,i,j,k=1;
scanf("%d %d",&n,&m);
for(i=0;i<n;i++)
{
for(j=0;j<m;j++)
{
j++;
i--;
arr[i][j]=k++;
arr[0][0]=1;
}
}
for(i=0;i<n;i++)
{
for(j=0;j<m;j++)
{
printf("%d ",arr[i][j]);
}
printf("\n");
}
return 0;
}*/
/*#include<stdio.h>
#define MAXSIZE 5
int stack[MAXSIZE] = {0}, top = 0;
void push(int k) {
if(top==MAXSIZE)
{
printf("STack Is Full\n");
return ;
}
stack[top]=k;
top++;
}
void pop() {
if(top==0)
{
printf("Stack is Empty\n");
return ;
}
top--;
printf("Output data is %d\n", stack[top]);
stack[top] = 0;
}
void view() {
int i;
for(i=MAXSIZE-1; i>=0; i--) {
printf("%d: %d\n", i, stack[i]);
}
}
int main()
{
int n, k;
while(1) {
printf("Input Menu(1,push, 2,pop, 3,view):");
scanf("%d", &n);
switch(n) {
case 1:
printf("type data:");
scanf("%d", &k);
push(k);
break;
case 2:
pop();
break;
case 3:
view();
break;
default:
printf("?!?몰루?");
}
}
}*/
void pop(int n)
{
int top=, stack[1000000]={};
printf("%d",);
}
int main()
{
int N;
scanf("%d",&N);
pop(N);
return 0;
}
stack 어렵다