C :

#include<stdio.h>
int main()
{
	int T;
	int ans,n;
	//freopen("in.txt", "r", stdin);
    //freopen("out.txt", "w", stdout);
	scanf("%d",&T);
	while(T--){
		scanf("%d",&n);
		ans=2020-n+1;
		if(ans<1)
			printf("同学，你穿越了\n");
		else
			printf("%d\n",ans);
	}	
	//fclose(stdin);
    //fclose(stdout);
	return 0;
}