UVa-10340 - All in All

[code]#include<iostream>
#include<string>
using namespace std;
int main()
{
    string a,b;
    while(cin>>a>>b)
    {
        int la=a.size(),lb=b.size(),i,j;
        bool flag=1;
        for(i=j=0;i<la&&flag;i++)
            for(flag=0;j<lb;j++)
                if(b[j]==a[i])
                {
                    flag=1;
                    j++;
                    break;
                }
        i==la&&flag?cout<<"Yes"<<endl:cout<<"No"<<endl;
    }
}