1 //#define LOCAL 2 #include <cstdio> 3 #include <cstring> 4 using namespace std; 5  6 const int maxn = 100000 + 10; 7 char s1[maxn], s2[maxn]; 8  9 int main(void)10 {11     #ifdef LOCAL12         freopen("10340in.txt", "r", stdin);13     #endif14 15     while(scanf("%s %s", s1, s2) == 2)16     {17         int len1 = strlen(s1);18         int len2 = strlen(s2);19         int i, p = 0;20         bool flag;21         for(i = 0; i < len1; ++i)22         {23             flag = false;24             if(len1 - i > len2 - p)25                 break;26             while(s1[i] != s2[p] && p < len2) ++p;27             if(s1[i] == s2[p])28             {    29                 flag = true;30                 ++p;31             }32         }33         if(flag && i == len1)    printf("Yes\n");34         else    printf("No\n");35     }36     return 0;37 }