#include<stdio.h>
int main()
{
    int n;
    float u ,v;
    scanf("%d"&n);
    printf("%d"n);
    scanf("%f %f",&u,&v);
    printf("%f %f",u,v);
    if(-10<=n<0)
    {
        printf("invalid input");
    }
    else if(0<=n<=10)
    {
        printf("");
    }
    else
    {
        printf("");
    }
    return 0;
}