#!/usr/bin/python
"""
3669.cc:  No.3669 隸ｯ蟾ｮ扈昜ｸ榊・隶ｸ - yukicoder
"""

import sys
from fractions import Fraction
import heapq

# constant

INF = 10000000

# global variables

# subroutines

# main

def main():
    n, m = map(int, input().split())
    nbrs = [[] for i in range(0, n)];
    for i in range(0, m):
        u, v, a, b = map(int, input().split())
        u -= 1
        v -= 1
        w = Fraction(a, b)
        nbrs[u].append([v, w])
        nbrs[v].append([u, w])

    ds = [INF for i in range(0, n)]
    ds[0] = 0

    q = [[0, 0]]
    heapq.heapify(q)
    
    while q:
        ud, u = heapq.heappop(q)
        if ds[u] != ud:
            continue

        for v, w in nbrs[u]:
            vd = ud + w
            if ds[v] > vd:
                ds[v] = vd
                heapq.heappush(q, [vd, v])

    for i in range(1, n):
        print(f"{ds[i].numerator} {ds[i].denominator}")
                
main()