/*
#include <stdio.h>
#include <stdlib.h>
int plus(int n)
{
if(n == 1)
return n;
return n+plus(n-1); // <<f
}
int main()
{
int n;
scanf("%d", &n);
printf("%d\n", plus(n));
}
*/
/*
#include <stdio.h>
#include <stdlib.h>
int dfkjdfkjdfkj(int n)
{
if(n == 1)
return n;
return n*dfkjdfkjdfkj(n-1);
}
int main()
{
int n;
scanf("%d", &n);
printf("%d\n", dfkjdfkjdfkj(n));
}
*/
/*
#include<stdio.h>
int p(int n)
{
if(n == 1 || n == 2)
return 1;
return p(n-1)+p(n-2);
}
int main()
{
int n;
scanf("%d", &n);
printf("%d", p(n));
}
*/
#include<stdio.h>
void dfkjdfkjdfkj(int n)
{
}
int main()
{
int n;
scanf("%d", &n);
dfkjdfkjdfkj(n);
}