#include<stdio.h>
struct square{
    int edge;
    int area;
};
int main(){
    struct square s;
    scsanf("%d",&s.edge);
    if(s.edge<=0){
        printf("Invalid input");
    }else{
        s.ares=s.edge*s.edge;
        printf("%d square meters",s.edge);
    }return 0;
}