/*
#include <stdio.h>
int main()
{
unsigned int n;
printf("정수 1개를 입력해 보세요.\n");
scanf("%u", &n);
printf("%u", n);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
unsigned int n;
double d;
scanf("%lf",&d);//double(longfloat);
printf("%lf", d);
return 0;
}
*/
#include <stdio.h>
int main()
{
long long int n;
scanf("%lld",&n);
printf("%lld",n);
return 0;
}