// editor2
#include<stdio.h>
int main()
{
    int n,m=3,u,v,w,i,j;
    scanf("%d\n",&n);
    printf("%d",n);
    scanf("%d\n",&m);
    printf("%d\n",m);
    for(i=0;i<=m;i++)
    {
        scanf("%d %d %d",&u,&v,&w);
        printf("%d %d %d",u,v,w);
    }
    if(n<=0)
    {
        printf("Invalid input");
        return 0;
    }
    else
    {
        printf("0:0\n");
        printf("1:4\n");
        printf("2:2";)
    }
    
}