#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define MAXSIZE 400
typedef struct{
int i,j;
int e;
}Triple;
typedef struct {
Triple data[MAXSIZE+1];
int mu,nu,tu;
}TSMatrix;
void init(TSMatrix *M)
{
int m,n;
scanf("%d",&M->mu);
scanf("%d",&M->nu);
int p=0,q=0;
while(M->data[p].i!=0&&M->data[p].j!=0&&M->data[p].e!=0){
scanf("%d%d%d",&M->data[p].i,&M->data[p].j,&M->data[p].e);
p++,q++;
}
}
void output(TSMatrix M,TSMatrix *T)
{
int q=0,p=0;
while(c--){
printf("%d %d %d",T->data[p].i,T->data[p].j,T->data[p].e);
}
}
int main()
{
TSMatrix *M,*T;
M=(TSMatrix *)malloc(sizeof(TSMatrix));
T=(TSMatrix *)malloc(sizeof(TSMatrix));
init(M);
output(M,T);
return 0;
}