71A - Way Too Long Words

#include <iostream>
#include <cstring>
using namespace std;
int main()
{
    int i,j;
    char c[101];
    cin >> c;
    j=strlen(c);
    if(j<=4)
    {
        cout << c << endl;
    }
    else
    {
        cout << c[0] << j-2 << c[j-1];
    }
}