这是一道数学题
可惜我太菜了
只有看了题解才会做
#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
const long long inf=1e18;
inline long long read(){long long x=0,f=1,ch=getchar();while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}return x*f;
}
int main(){long long mod=read();long long ans=mod-9*inf%mod*9%mod;printf("%lld %lld\n",ans,ans+inf-1);return 0;
}
codeforces官网网址,