#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;
int n,m,ans;
int read()
{
    int x=0,f=1; char ch=getchar();
    while(ch<‘0‘||ch>‘9‘){if(ch==‘-‘) f=-1; ch=getchar();}
    while(ch<=‘9‘&&ch>=‘0‘){x=x*10+ch-‘0‘; ch=getchar();}
    return x*f;
}
int up(int x,int y)
{
    if(x%y==0) return x/y;
    return x/y+1;
}
int main()
{
    n=read(),m=read();
    ans=up(n,m);
    printf("%d",ans);
    return 0;
}