UVA-10340 All in All

#include <iostream>
#include <stdlib.h>
#include <string>
#include <vector>
#include <algorithm>
#include <string.h>
#include <stack>
#include <unordered_map>
#include <math.h>
#include <iomanip>

using namespace std;

int main()
{
    string input1,input2;
    while(cin >> input1 >> input2)
    {
        if(input1.size()>input2.size())
        {
            cout << "No" << endl;
            continue;
        }
        int input2_index = 0;
        int i;
        for(i = 0;i < input1.size() && input2_index < input2.size();i ++)
        {
            if(input2[input2_index] != input1[i])
            {
                input2_index ++;
                i --;
            }
            else
            {
                input2_index ++;
            }
        //    cout << i << " " << input2_index << endl;
        }
        if(i == input1.size())
            cout << "Yes" << endl;
        else
            cout << "No" << endl;
    }
    return 0;
}