// editor1
#include<stdio.h>
struct Square{
    int side;
    int area;
};
int main(){
    struct Square s;
    scanf("%d",&s.side);
    if(s.side<=0){
        printf("Invalid input");
        return 0;
    }
    s.area=s.side*s.side;
    printf(" %d sqaure meters",s.area);
}
return 0;