#include <bits/stdc++.h>
using namespace std;
const long long maxn=2e5+10;
queue<char>q;
inline void print(int x)
{
	if (x < 0) putchar('-'), x = -x;
	if (x > 9) print(x / 10);
	putchar(x % 10 + '0');
}
int main()
{
	char ch;
	while(scanf("%c",&ch)!=EOF)
	{
		q.push(ch);
	}
	putchar('1');
	int pr=2;
	while(!q.empty())
	{
		putchar(q.front());
		if(q.front()=='\n')print(pr++);
		q.pop();
	}
}

样例都没问题，交上去爆零了，求助orz