#include <iostream>
using namespace std;
// 整数快读模板
inline int read() {
int data = 0, w = 1;
char c = 0;
while (c < '0' || c > '9') {
if (c == '-') {
w = -1;
}
c = getchar();
}
while (c >= '0' && c <= '9') {
data = data * 10 + c - '0';
c = getchar();
}
return data * w;
}
int main() {
int n = read();
cout << n << endl;
return 0;
}