Codeforces Round 464 (Div. 2)
B
Hamster Farm
Codeforces
1000
原题
← AC →
翻译中…

Dima has a hamsters farm. Soon $*N*$ hamsters will grow up on it and Dima will sell them in a city nearby.

翻译中…

Hamsters should be transported in boxes. If some box is not completely full, the hamsters in it are bored, that's why each box should be completely full with hamsters.

翻译中…

Dima can buy boxes at a factory. The factory produces boxes of $*K*$ kinds, boxes of the $*i*$-th kind can contain in themselves $*a*_{*i*}$ hamsters. Dima can buy any amount of boxes, but he should buy boxes of only one kind to get a wholesale discount.

翻译中…

Of course, Dima would buy boxes in such a way that each box can be completely filled with hamsters and transported to the city. If there is no place for some hamsters, Dima will leave them on the farm.

翻译中…

Find out how many boxes and of which type should Dima buy to transport maximum number of hamsters.

翻译中…

Input

翻译中…

The first line contains two integers $*N*$ and $*K*$ ($0 ≤ *N* ≤ 10^{18}$, $1 ≤ *K* ≤ 10^{5}$) — the number of hamsters that will grow up on Dima's farm and the number of types of boxes that the factory produces.

翻译中…

The second line contains $*K*$ integers $*a*_{1}$, $*a*_{2}$, ..., $*a*_{*K*}$ ($1 ≤ *a*_{*i*} ≤ 10^{18}$ for all $*i*$) — the capacities of boxes.

翻译中…

Output

翻译中…

Output two integers: the type of boxes that Dima should buy and the number of boxes of that type Dima should buy. Types of boxes are numbered from $1$ to $*K*$ in the order they are given in input.

翻译中…

If there are many correct answers, output any of them.

翻译中…

样例

Input #1
19 3
5 4 10
Output #1
2 4
InputCopy OutputCopy
Input #2
28 3
5 6 30
Output #2
1 5
InputCopy OutputCopy
题目信息
题号
939B
时间限制
2 s
内存限制
256 MB
标签
模拟

题面与样例版权归 Codeforces 及出题人所有;中文翻译由 AI 生成(CI 管线),如有出入请以原文为准。