{"raw_statement":[{"iden":"problem statement","content":"You are given $N$ strings, each of length $2$, consisting of uppercase English letters and digits. The $i$\\-th string is $S_i$.  \nDetermine whether the following three conditions are all satisfied.  \n・For every string, the first character is one of `H`, `D`, `C`, and `S`.  \n・For every string, the second character is one of `A`, `2`, `3`, `4`, `5`, `6`, `7`, `8`, `9`, `T`, `J`, `Q`, `K`.  \n・All strings are pairwise different. That is, if $i \\neq j$, then $S_i \\neq S_j$."},{"iden":"constraints","content":"*   $1 \\leq N \\leq 52$\n*   $S_i$ is a string of length $2$ consisting of uppercase English letters and digits."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$N$\n$S_1$\n$S_2$\n$\\vdots$\n$S_N$"},{"iden":"sample input 1","content":"4\nH3\nDA\nD3\nSK"},{"iden":"sample output 1","content":"Yes\n\nOne can verify that the three conditions are all satisfied."},{"iden":"sample input 2","content":"5\nH3\nDA\nCK\nH3\nS7"},{"iden":"sample output 2","content":"No\n\nBoth $S_1$ and $S_4$ are `H3`, violating the third condition."},{"iden":"sample input 3","content":"4\n3H\nAD\n3D\nKS"},{"iden":"sample output 3","content":"No"},{"iden":"sample input 4","content":"5\n00\nAA\nXX\nYY\nZZ"},{"iden":"sample output 4","content":"No"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}