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#include <stdio.h>
#include <stdlib.h>
long x[101],y[101];
long f[3101][1201];
long min(long a,long b)
{
    if (a>b)
        return b;
    else
        return a;
}
int main()
{
    long n,m,i,j,k,p,maxx,maxy,result;
    scanf("%ld%ld",&n,&m);
    for (i=1;i<=n;i++)
    {
        scanf("%ld",&p);
        x[i]=0;
        while (p%2==0)
        {
            p=p/2;
            x[i]++;
        }
        y[i]=0;
        while (p%5==0)
        {
            p=p/5;
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