src2020/Template test/main.cpp

#include <iostream>
#include<cstdio>
using namespace std;
int main()
{
    freopen("a.in","r",stdin);
    freopen("a.out","w",stdout);
    int x;
    scanf("%d",&x);
    printf("%d",x);
    fclose(stdin);
    fclose(stdout);
    return 0;
}